diff --git a/htdocs/comm/propal/class/propalestats.class.php b/htdocs/comm/propal/class/propalestats.class.php
index 1e688457623..81d49bb87ad 100644
--- a/htdocs/comm/propal/class/propalestats.class.php
+++ b/htdocs/comm/propal/class/propalestats.class.php
@@ -109,9 +109,7 @@ class PropaleStats extends Stats
 		}
 
 		if ($categid) {
-			$this->join .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie_societe as cs ON cs.fk_soc = p.fk_soc';
-			$this->join .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie as c ON c.rowid = cs.fk_categorie';
-			$this->where .= ' AND c.rowid = '.((int) $categid);
+			$this->where .= ' AND EXISTS (SELECT rowid FROM '.MAIN_DB_PREFIX.'categorie_societe as cats WHERE cats.fk_soc = p.fk_soc AND cats.fk_categorie = '.((int) $categid).')';
 		}
 	}
 
diff --git a/htdocs/commande/class/commandestats.class.php b/htdocs/commande/class/commandestats.class.php
index d02d56175ff..5f13cf780f4 100644
--- a/htdocs/commande/class/commandestats.class.php
+++ b/htdocs/commande/class/commandestats.class.php
@@ -109,9 +109,7 @@ class CommandeStats extends Stats
 		}
 
 		if ($categid) {
-			$this->join .= ' LEFT JOIN '.$this->categ_link.' as cats ON cats.fk_soc = c.fk_soc';
-			$this->join .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie as cat ON cat.rowid = cats.fk_categorie';
-			$this->where .= ' AND cat.rowid = '.((int) $categid);
+			$this->where .= ' AND EXISTS (SELECT rowid FROM '.$this->categ_link.' as cats WHERE cats.fk_soc = c.fk_soc AND cats.fk_categorie = '.((int) $categid).')';
 		}
 	}
 
diff --git a/htdocs/compta/facture/class/facturestats.class.php b/htdocs/compta/facture/class/facturestats.class.php
index 55ae05ff0a5..5637fd740a0 100644
--- a/htdocs/compta/facture/class/facturestats.class.php
+++ b/htdocs/compta/facture/class/facturestats.class.php
@@ -118,9 +118,7 @@ class FactureStats extends Stats
 		}
 
 		if ($categid) {
-			$this->join .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie_societe as cs ON cs.fk_soc = f.fk_soc';
-			$this->join .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie as c ON c.rowid = cs.fk_categorie';
-			$this->where .= ' AND c.rowid = '.((int) $categid);
+			$this->where .= ' AND EXISTS (SELECT rowid FROM '.MAIN_DB_PREFIX.'categorie_societe as cats WHERE cats.fk_soc = f.fk_soc AND cats.fk_categorie = '.((int) $categid).')';
 		}
 	}
 
diff --git a/htdocs/reception/class/receptionstats.class.php b/htdocs/reception/class/receptionstats.class.php
index a27f458d01a..7a8562b706d 100644
--- a/htdocs/reception/class/receptionstats.class.php
+++ b/htdocs/reception/class/receptionstats.class.php
@@ -69,7 +69,7 @@ class ReceptionStats extends Stats
 		$this->where .= " c.fk_statut > 0"; // Not draft and not cancelled
 
 		//$this->where.= " AND c.fk_soc = s.rowid AND c.entity = ".$conf->entity;
-		$this->where .= " AND c.entity = ".$conf->entity;
+		$this->where .= " AND c.entity IN (".getEntity('reception').")";
 		if (empty($user->rights->societe->client->voir) && !$this->socid) {
 			$this->where .= " AND c.fk_soc = sc.fk_soc AND sc.fk_user = ".((int) $user->id);
 		}
@@ -128,6 +128,54 @@ class ReceptionStats extends Stats
 		return $this->_getNbByYear($sql);
 	}
 
+	/**
+	 * Return the orders amount by month for a year
+	 *
+	 * @param	int		$year		Year to scan
+	 * @param	int		$format		0=Label of abscissa is a translated text, 1=Label of abscissa is month number, 2=Label of abscissa is first letter of month
+	 * @return	array				Array with amount by month
+	 */
+	public function getAmountByMonth($year, $format = 0)
+	{
+		global $user;
+
+		$sql = "SELECT date_format(c.date_valid,'%m') as dm, SUM(c.".$this->field.")";
+		$sql .= " FROM ".$this->from;
+		if (empty($user->rights->societe->client->voir) && !$this->socid) {
+			$sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
+		}
+		$sql .= " WHERE c.date_valid BETWEEN '".$this->db->idate(dol_get_first_day($year))."' AND '".$this->db->idate(dol_get_last_day($year))."'";
+		$sql .= " AND ".$this->where;
+		$sql .= " GROUP BY dm";
+		$sql .= $this->db->order('dm', 'DESC');
+
+		$res = $this->_getAmountByMonth($year, $sql, $format);
+		return $res;
+	}
+
+	/**
+	 * Return the orders amount average by month for a year
+	 *
+	 * @param	int		$year	year for stats
+	 * @return	array			array with number by month
+	 */
+	public function getAverageByMonth($year)
+	{
+		global $user;
+
+		$sql = "SELECT date_format(c.date_valid,'%m') as dm, AVG(c.".$this->field.")";
+		$sql .= " FROM ".$this->from;
+		if (empty($user->rights->societe->client->voir) && !$this->socid) {
+			$sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
+		}
+		$sql .= " WHERE c.date_valid BETWEEN '".$this->db->idate(dol_get_first_day($year))."' AND '".$this->db->idate(dol_get_last_day($year))."'";
+		$sql .= " AND ".$this->where;
+		$sql .= " GROUP BY dm";
+		$sql .= $this->db->order('dm', 'DESC');
+
+		return $this->_getAverageByMonth($year, $sql);
+	}
+
 	/**
 	 *  Return nb, total and average
 	 *