Index: /mods/mod_statistics/wpsg_statisticabstract.php
===================================================================
--- /mods/mod_statistics/wpsg_statisticabstract.php	(revision 8257)
+++ /mods/mod_statistics/wpsg_statisticabstract.php	(revision 8258)
@@ -139,8 +139,20 @@
 	public function setSqlWhere()
 	{
-		$this->sqlWhere['validOrder'] = "`cdate` != '0000-00-00 00:00:00' AND 
-													  		`type_payment` != '' AND 
-													  		`type_payment` IS NOT NULL AND 
-													  		`status` IN(".$this->observeStatuscodes.")";
+		
+		$observeStatuscodes = array_map('trim', explode(',', $this->observeStatuscodes));
+
+		$observeStatuscodes = array_map(function($observeStatuscodes) {
+			return "'{$observeStatuscodes}'";
+		}, $observeStatuscodes);
+
+		$observeStatuscodes = implode(',', $observeStatuscodes);
+
+		$this->sqlWhere['validOrder'] = "
+			`cdate` != '0000-00-00 00:00:00' 
+			AND `type_payment` != '' 
+			AND `type_payment` IS NOT NULL 
+			AND `status` IN(".$observeStatuscodes.")
+		";
+
 	}