SELECT concat(to_char(iden.creationtime,'yy'), to_char(iden.creationtime,'mm')) AS Monat, SUM(1) AS Anzahl, (SELECT COUNT(*) FROM view_identity WHERE identitytype = 'USER' AND concat(to_char(creationtime,'yy'), to_char(creationtime,'mm')) <= concat(to_char(iden.creationtime,'yy'), to_char(iden.creationtime,'mm')) ) AS Gesamt FROM view_identity iden WHERE identitytype = 'USER' GROUP BY concat(to_char(iden.creationtime,'yy'), to_char(iden.creationtime,'mm'))