diff --git a/htdocs/core/boxes/box_graph_invoices_permonth.php b/htdocs/core/boxes/box_graph_invoices_permonth.php
index 1899d96c57d..a9906304ccf 100644
--- a/htdocs/core/boxes/box_graph_invoices_permonth.php
+++ b/htdocs/core/boxes/box_graph_invoices_permonth.php
@@ -64,13 +64,13 @@ class box_graph_invoices_permonth extends ModeleBoxes
 		global $conf, $user, $langs, $db;
 
 		$this->max=$max;
-		
+
 		$refreshaction='refresh_'.$this->boxcode;
-		
+
 		include_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 		$facturestatic=new Facture($db);
 
-		$text = $langs->trans("BoxInvoicesPerMonth",$max);
+		$text = $langs->trans("BoxCustomersInvoicesPerMonth",$max);
 		$this->info_box_head = array(
 				'text' => $text,
 				'limit'=> dol_strlen($text),
@@ -85,7 +85,7 @@ class box_graph_invoices_permonth extends ModeleBoxes
 		{
 			require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
 			include_once DOL_DOCUMENT_ROOT . '/compta/facture/class/facturestats.class.php';
-				
+
 			$nowarray=dol_getdate(dol_now(),true);
 			$endyear=$nowarray['year'];
 			$startyear=$endyear-1;
@@ -93,23 +93,22 @@ class box_graph_invoices_permonth extends ModeleBoxes
 			$userid=0;
 			$WIDTH='256';
 			$HEIGHT='192';
-				
+
 			$stats = new FactureStats($this->db, 0, $mode, ($userid>0?$userid:0));
-			
-			// Build graphic number of object
-			// $data = array(array('Lib',val1,val2,val3),...)
-			$data = $stats->getNbByMonthWithPrevYear($endyear,$startyear,(GETPOST('action')==$refreshaction?-1:(3600*24)));
-			//var_dump($data);
-			
+
+			// Build graphic number of object. $data = array(array('Lib',val1,val2,val3),...)
+			$data1 = $stats->getNbByMonthWithPrevYear($endyear,$startyear,(GETPOST('action')==$refreshaction?-1:(3600*24)));
+
 			$filenamenb = $dir."/invoicesnbinyear-".$year.".png";
 			if ($mode == 'customer') $fileurlnb = DOL_URL_ROOT.'/viewimage.php?modulepart=billstats&file=invoicesnbinyear-'.$year.'.png';
 			if ($mode == 'supplier') $fileurlnb = DOL_URL_ROOT.'/viewimage.php?modulepart=billstatssupplier&file=invoicesnbinyear-'.$year.'.png';
-			
+
 			$px1 = new DolGraph();
 			$mesg = $px1->isGraphKo();
 			if (! $mesg)
 			{
-				$px1->SetData($data);
+				$px1->SetData($data1);
+				unset($data1);
 				$px1->SetPrecisionY(0);
 				$i=$startyear;$legend=array();
 				while ($i <= $endyear)
@@ -124,17 +123,61 @@ class box_graph_invoices_permonth extends ModeleBoxes
 				$px1->SetYLabel($langs->trans("NumberOfBills"));
 				$px1->SetShading(3);
 				$px1->SetHorizTickIncrement(1);
-				$px1->SetPrecisionY(0);
+				$px1->SetPrecisionY(0);
+				$px1->SetCssPrefix("cssboxes");
 				$px1->mode='depth';
-				//$px1->SetTitle($langs->trans("NumberOfBillsByMonth"));
-			
+				$px1->SetTitle($langs->trans("NumberOfBillsByMonth"));
+
 				$px1->draw($filenamenb,$fileurlnb);
 			}
 
-			
+			// Build graphic number of object. $data = array(array('Lib',val1,val2,val3),...)
+			$data2 = $stats->getAmountByMonthWithPrevYear($endyear,$startyear,(GETPOST('action')==$refreshaction?-1:(3600*24)));
+
+			$filenamenb = $dir."/invoicesnbinyear-".$year.".png";
+			if ($mode == 'customer') $fileurlnb = DOL_URL_ROOT.'/viewimage.php?modulepart=billstats&amp;file=invoicesamountinyear-'.$year.'.png';
+			if ($mode == 'supplier') $fileurlnb = DOL_URL_ROOT.'/viewimage.php?modulepart=billstatssupplier&amp;file=invoicesamountinyear-'.$year.'.png';
+
+			$px2 = new DolGraph();
+			$mesg = $px2->isGraphKo();
+			if (! $mesg)
+			{
+				$px2->SetData($data2);
+				unset($data2);
+				$px2->SetPrecisionY(0);
+				$i=$startyear;$legend=array();
+				while ($i <= $endyear)
+				{
+					$legend[]=$i;
+					$i++;
+				}
+				$px2->SetLegend($legend);
+				$px2->SetMaxValue($px2->GetCeilMaxValue());
+				$px2->SetWidth($WIDTH);
+				$px2->SetHeight($HEIGHT);
+				$px2->SetYLabel($langs->trans("AmountOfBillsHT"));
+				$px2->SetShading(3);
+				$px2->SetHorizTickIncrement(1);
+				$px2->SetPrecisionY(0);
+				$px2->SetCssPrefix("cssboxes");
+				$px2->mode='depth';
+				$px2->SetTitle($langs->trans("AmountOfBillsByMonthHT"));
+
+				$px2->draw($filenamenb,$fileurlnb);
+			}
+
+
 			if (! $mesg)
 			{
-				$this->info_box_contents[0][0] = array('td' => 'align="center"','textnoformat'=>$px1->show());
+				$stringtoshow ='<div class="fichecenter">';
+				//$stringtoshow.='<div class="fichehalfleft">';
+				//$stringtoshow.=$px1->show();
+				//$stringtoshow.='</div>';
+				//$stringtoshow.='<div class="fichehalfright">';
+				$stringtoshow.=$px2->show();
+				//$stringtoshow.='</div>';
+				$stringtoshow.='</div>';
+				$this->info_box_contents[0][0] = array('td' => 'align="center"','textnoformat'=>$stringtoshow);
 			}
 			else
 			{
diff --git a/htdocs/core/class/dolgraph.class.php b/htdocs/core/class/dolgraph.class.php
index 63d3fdd1e66..5dd7fb735e9 100644
--- a/htdocs/core/class/dolgraph.class.php
+++ b/htdocs/core/class/dolgraph.class.php
@@ -48,8 +48,9 @@ class DolGraph
     private $_library='jflot';	// Graphic library to use (jflot, artichow)
 
     //! Array of data
-    var $data;				// array(array('abs1',valA1,valB1), array('abs2',valA2,valB2), ...)
-    var $title;
+    var $data;				// Data of graph: array(array('abs1',valA1,valB1), array('abs2',valA2,valB2), ...)
+    var $title;				// Title of graph
+    var $cssprefix='';		// To add into css styles
     var $width=380;
     var $height=200;
     var $MaxValue=0;
@@ -337,6 +338,17 @@ class DolGraph
         $this->SetShading = $s;
     }
 
+    /**
+     * Set shading
+     *
+     * @param 	string	$s				Shading
+     * @return	void
+     */
+    function SetCssPrefix($s)
+    {
+        $this->cssprefix = $s;
+    }
+
     /**
      * Reset bg color
      *
@@ -785,8 +797,8 @@ class DolGraph
         $tag=dol_escape_htmltag(dol_string_unaccent(dol_string_nospecial(basename($file),'_',array('-','.'))));
 
         $this->_stringtoshow ='<!-- Build using '.$this->_library.' -->'."\n";
-        if (! empty($this->title)) $this->_stringtoshow.='<br><div align="center">'.$this->title.'</div><br>';
-        $this->_stringtoshow.='<div id="placeholder_'.$tag.'" style="width:'.$this->width.'px;height:'.$this->height.'px;" class="dolgraph"></div>'."\n";
+        if (! empty($this->title)) $this->_stringtoshow.='<div align="center" class="dolgraphtitle'.(empty($this->cssprefix)?'':' dolgraphtitle'.$this->cssprefix).'">'.$this->title.'</div>';
+        $this->_stringtoshow.='<div id="placeholder_'.$tag.'" style="width:'.$this->width.'px;height:'.$this->height.'px;" class="dolgraph'.(empty($this->cssprefix)?'':' dolgraph'.$this->cssprefix).'"></div>'."\n";
         $this->_stringtoshow.='<script id="'.$tag.'">'."\n";
         $this->_stringtoshow.='$(function () {'."\n";
         $i=$firstlot;
diff --git a/htdocs/core/class/stats.class.php b/htdocs/core/class/stats.class.php
index 07728241443..ea73b8cdd77 100644
--- a/htdocs/core/class/stats.class.php
+++ b/htdocs/core/class/stats.class.php
@@ -30,8 +30,8 @@
 abstract class Stats
 {
 	protected $db;
-	var $_lastfetchdategetNbByMonthWithPrevYear;	// Date of cache file read by getNbByMonthWithPrevYear
-	
+	var $_lastfetchdate=array();	// Dates of cache file read by methods
+
 
 	/**
 	 * Return nb of elements by month for several years
@@ -44,23 +44,23 @@ abstract class Stats
 	function getNbByMonthWithPrevYear($endyear,$startyear,$cachedelay=0)
 	{
 		global $conf,$user,$langs;
-		
+
 	    if ($startyear > $endyear) return -1;
 
-	    if (! empty($cachedelay))
+		$datay=array();
+
+		// Search into cache
+		if (! empty($cachedelay))
 	    {
 	    	include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 	    	include_once DOL_DOCUMENT_ROOT.'/core/lib/json.lib.php';
 	    }
 
-		$datay=array();
-
-		$newpathofdestfile=$conf->user->dir_temp.'/'.get_class($this).'_'.$langs->defaultlang.'_user'.$user->id.'.cache';
+		$newpathofdestfile=$conf->user->dir_temp.'/'.get_class($this).'_'.__FUNCTION__.'_'.$langs->defaultlang.'_user'.$user->id.'.cache';
 		$newmask='0644';
 
 		$nowgmt = dol_now();
 
-		// Search into cache
 		$foundintocache=0;
 		if ($cachedelay > 0)
 		{
@@ -68,19 +68,19 @@ abstract class Stats
 			if ($filedate >= ($nowgmt - $cachedelay))
 			{
 				$foundintocache=1;
-		
-				$this->_lastfetchdategetNbByMonthWithPrevYear=$filedate;
+
+				$this->_lastfetchdate[get_class($this).'_'.__FUNCTION__]=$filedate;
 			}
 			else
 			{
-				dol_syslog(get_class($this)."::getNbByMonthWithPrevYear cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
+				dol_syslog(get_class($this).'_'.__FUNCTION__." cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
 			}
 		}
-		
+
 		// Load file into $data
 		if ($foundintocache)    // Cache file found and is not too old
 		{
-			dol_syslog(get_class($this)."::getNbByMonthWithPrevYear read data from cache file ".$newpathofdestfile." ".$filedate.".");
+			dol_syslog(get_class($this).'_'.__FUNCTION__." read data from cache file ".$newpathofdestfile." ".$filedate.".");
 			$data = dol_json_decode(file_get_contents($newpathofdestfile), true);
 		}
 		else
@@ -91,9 +91,9 @@ abstract class Stats
 				$datay[$year] = $this->getNbByMonth($year);
 				$year++;
 			}
-	
+
 			$data = array();
-	
+
 			for ($i = 0 ; $i < 12 ; $i++)
 			{
 				$data[$i][]=$datay[$endyear][$i][0];
@@ -104,23 +104,22 @@ abstract class Stats
 					$year++;
 				}
 			}
-
 		}
 
 		// Save cache file
 		if (empty($foundintocache) && ($cachedelay > 0 || $cachedelay == -1))
 		{
-			dol_syslog(get_class($this)."::getNbByMonthWithPrevYear save cache file ".$newpathofdestfile." onto disk.");
+			dol_syslog(get_class($this).'_'.__FUNCTION__." save cache file ".$newpathofdestfile." onto disk.");
 			if (! dol_is_dir($conf->user->dir_temp)) dol_mkdir($conf->user->dir_temp);
 			$fp = fopen($newpathofdestfile, 'w');
 			fwrite($fp, dol_json_encode($data));
 			fclose($fp);
 			if (! empty($conf->global->MAIN_UMASK)) $newmask=$conf->global->MAIN_UMASK;
 			@chmod($newpathofdestfile, octdec($newmask));
-		
-			$this->_lastfetchdategetNbByMonthWithPrevYear=$nowgmt;
+
+			$this->_lastfetchdate[get_class($this).'_'.__FUNCTION__]=$nowgmt;
 		}
-				
+
 		// return array(array('Month',val1,val2,val3),...)
 		return $data;
 	}
@@ -130,32 +129,86 @@ abstract class Stats
 	 *
 	 * @param	int		$endyear		Start year
 	 * @param	int		$startyear		End year
+	 * @param	int		$cachedelay		Delay we accept for cache file (0=No read, no save of cache, -1=No read but save)
 	 * @return 	array					Array of values
 	 */
-	function getAmountByMonthWithPrevYear($endyear,$startyear)
+	function getAmountByMonthWithPrevYear($endyear,$startyear,$cachedelay=0)
 	{
+		global $conf,$user,$langs;
+
         if ($startyear > $endyear) return -1;
 
         $datay=array();
 
-		$year=$startyear;
-		while($year <= $endyear)
+        // Search into cache
+        if (! empty($cachedelay))
+        {
+        	include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
+        	include_once DOL_DOCUMENT_ROOT.'/core/lib/json.lib.php';
+        }
+
+        $newpathofdestfile=$conf->user->dir_temp.'/'.get_class($this).'_'.__FUNCTION__.'_'.$langs->defaultlang.'_user'.$user->id.'.cache';
+        $newmask='0644';
+
+        $nowgmt = dol_now();
+
+        $foundintocache=0;
+        if ($cachedelay > 0)
+        {
+        	$filedate=dol_filemtime($newpathofdestfile);
+        	if ($filedate >= ($nowgmt - $cachedelay))
+        	{
+        		$foundintocache=1;
+
+        		$this->_lastfetchdate[get_class($this).'_'.__FUNCTION__]=$filedate;
+        	}
+        	else
+        	{
+        		dol_syslog(get_class($this).'_'.__FUNCTION__." cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
+        	}
+        }
+
+        // Load file into $data
+        if ($foundintocache)    // Cache file found and is not too old
+        {
+        	dol_syslog(get_class($this).'_'.__FUNCTION__." read data from cache file ".$newpathofdestfile." ".$filedate.".");
+        	$data = dol_json_decode(file_get_contents($newpathofdestfile), true);
+        }
+        else
 		{
-			$datay[$year] = $this->getAmountByMonth($year);
-			$year++;
-		}
-
-		$data = array();
-
-		for ($i = 0 ; $i < 12 ; $i++)
-		{
-			$data[$i][]=$datay[$endyear][$i][0];
 			$year=$startyear;
 			while($year <= $endyear)
 			{
-				$data[$i][]=$datay[$year][$i][1];
+				$datay[$year] = $this->getAmountByMonth($year);
 				$year++;
 			}
+
+			$data = array();
+
+			for ($i = 0 ; $i < 12 ; $i++)
+			{
+				$data[$i][]=$datay[$endyear][$i][0];
+				$year=$startyear;
+				while($year <= $endyear)
+				{
+					$data[$i][]=$datay[$year][$i][1];
+					$year++;
+				}
+			}
+		}
+
+		// Save cache file
+		if (empty($foundintocache) && ($cachedelay > 0 || $cachedelay == -1))
+		{
+			dol_syslog(get_class($this).'_'.__FUNCTION__." save cache file ".$newpathofdestfile." onto disk.");
+			if (! dol_is_dir($conf->user->dir_temp)) dol_mkdir($conf->user->dir_temp);
+			$fp = fopen($newpathofdestfile, 'w');
+			fwrite($fp, dol_json_encode($data));
+			fclose($fp);
+			if (! empty($conf->global->MAIN_UMASK)) $newmask=$conf->global->MAIN_UMASK;
+			@chmod($newpathofdestfile, octdec($newmask));
+
+			$this->_lastfetchdate[get_class($this).'_'.__FUNCTION__]=$nowgmt;
 		}
 
 		return $data;
@@ -266,7 +319,7 @@ abstract class Stats
 	 *
      *     @param   int		$year       Year
      *     @param   string	$sql        SQL
-     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number 
+     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number
      *     @return	array				Array of nb each month
 	 */
 	function _getNbByMonth($year, $sql, $format=0)
@@ -317,7 +370,7 @@ abstract class Stats
 	 *
 	 *     @param	int		$year       Year
 	 *     @param   string	$sql		SQL
-     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number 
+     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number
 	 *     @return	array
 	 */
 	function _getAmountByMonth($year, $sql, $format=0)
@@ -365,7 +418,7 @@ abstract class Stats
 	 *
      *     @param	int		$year       Year
      *     @param  string	$sql        SQL
-     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number 
+     *     @param	int		$format		0=Label of absiss is a translated text, 1=Label of absiss is a number
      *     @return	array
 	 */
 	function _getAverageByMonth($year, $sql)
diff --git a/htdocs/langs/en_US/boxes.lang b/htdocs/langs/en_US/boxes.lang
index 41290e4fb15..0255624cc56 100644
--- a/htdocs/langs/en_US/boxes.lang
+++ b/htdocs/langs/en_US/boxes.lang
@@ -78,7 +78,9 @@ NoRecordedContracts=No recorded contracts
 BoxLatestSupplierOrders=Latest supplier orders
 BoxTitleLatestSupplierOrders=%s latest supplier orders
 NoSupplierOrder=No recorded supplier order
-BoxInvoicesPerMonth=Invoices per month
-BoxOrdersPerMonth=Orders per month
+BoxCustomersInvoicesPerMonth=Customer invoices per month
+BoxSuppliersInvoicesPerMonth=Supplier invoices per month
+BoxCustomersOrdersPerMonth=Customer orders per month
+BoxSuppliersOrdersPerMonth=Supplier orders per month
 BoxProposalsPerMonth=Proposals per month
 NoTooLowStockProducts=No product under the low stock limit
\ No newline at end of file
diff --git a/htdocs/langs/fr_FR/boxes.lang b/htdocs/langs/fr_FR/boxes.lang
index f87d3c24253..51697acfebc 100644
--- a/htdocs/langs/fr_FR/boxes.lang
+++ b/htdocs/langs/fr_FR/boxes.lang
@@ -78,7 +78,9 @@ NoRecordedContracts=Pas de contrat enregistré
 BoxLatestSupplierOrders=Dernières commandes fournisseur
 BoxTitleLatestSupplierOrders=Les %s dernières commandes fournisseur enregistrées
 NoSupplierOrder=Pas de commande fournisseur enregistrée
-BoxInvoicesPerMonth=Factures par mois
-BoxOrdersPerMonth=Commandes par mois
+BoxCustomersInvoicesPerMonth=Factures clients par mois
+BoxSuppliersInvoicesPerMonth=Factures fournisseurs par mois
+BoxCustomersOrdersPerMonth=Commandes clients par mois
+BoxSuppliersOrdersPerMonth=Commandes fournisseurs par mois
 BoxProposalsPerMonth=Proposition par mois
 NoTooLowStockProducts=Pas de produits sous le seuil de stock minimal
diff --git a/htdocs/theme/amarok/style.css.php b/htdocs/theme/amarok/style.css.php
index 0428b87081c..bf1f30854a8 100755
--- a/htdocs/theme/amarok/style.css.php
+++ b/htdocs/theme/amarok/style.css.php
@@ -1389,6 +1389,9 @@ div.error {
 	color:#333333;
 }
 
+.dolgraphtitle { margin-top: 6px; margin-bottom: 4px; }
+.dolgraphtitlecssboxes { margin: 0px; }
+
 #pictotitle {
 	padding-left:5px;
 	padding-right:1px;
diff --git a/htdocs/theme/auguria/style.css.php b/htdocs/theme/auguria/style.css.php
index fd859c014dd..e7c004b9477 100644
--- a/htdocs/theme/auguria/style.css.php
+++ b/htdocs/theme/auguria/style.css.php
@@ -1552,6 +1552,9 @@ a.impayee:hover { font-weight: bold; color: #550000; }
 
 .fieldrequired { font-weight: bold; color: #000055; }
 
+.dolgraphtitle { margin-top: 6px; margin-bottom: 4px; }
+.dolgraphtitlecssboxes { margin: 0px; }
+
 .photo {
 border: 0px;
 /* filter:alpha(opacity=55); */
diff --git a/htdocs/theme/bureau2crea/style.css.php b/htdocs/theme/bureau2crea/style.css.php
index abd072e9292..318494cdf18 100644
--- a/htdocs/theme/bureau2crea/style.css.php
+++ b/htdocs/theme/bureau2crea/style.css.php
@@ -1684,6 +1684,9 @@ a.impayee:hover { font-weight: bold; color: #550000; }
 
 .fieldrequired { font-weight: bold; color: #000055; }
 
+.dolgraphtitle { margin-top: 6px; margin-bottom: 4px; }
+.dolgraphtitlecssboxes { margin: 0px; }
+
 .photo {
 border: 0px;
 /* filter:alpha(opacity=55); */
diff --git a/htdocs/theme/cameleo/style.css.php b/htdocs/theme/cameleo/style.css.php
index fe214708ee3..db10c27cd5c 100644
--- a/htdocs/theme/cameleo/style.css.php
+++ b/htdocs/theme/cameleo/style.css.php
@@ -1672,6 +1672,9 @@ a.impayee:hover { font-weight: bold; color: #550000; }
 
 .fieldrequired { font-weight: bold; color: #000055; }
 
+.dolgraphtitle { margin-top: 6px; margin-bottom: 4px; }
+.dolgraphtitlecssboxes { margin: 0px; }
+
 .photo {
 border: 0px;
 /* filter:alpha(opacity=55); */
diff --git a/htdocs/theme/eldy/style.css.php b/htdocs/theme/eldy/style.css.php
index 7352c2bf407..92ea36bba97 100644
--- a/htdocs/theme/eldy/style.css.php
+++ b/htdocs/theme/eldy/style.css.php
@@ -1962,6 +1962,9 @@ a.impayee:hover { font-weight: bold; color: #550000; }
 
 .fieldrequired { font-weight: bold; color: #000055; }
 
+.dolgraphtitle { margin-top: 6px; margin-bottom: 4px; }
+.dolgraphtitlecssboxes { margin: 0px; }
+
 .photo {
 border: 0px;
 /* filter:alpha(opacity=55); */