public function generateExitedJournalData()
{
$sql = "SELECT count(journal.id) as count FROM journal WHERE status = '" . JournalStatuses::STATUS_EXITED . "'";
$rsm = new ResultSetMapping();
$rsm->addScalarResult('count', 'count');
$query = $this->manager->createNativeQuery($sql, $rsm);
$results = $query->getSingleResult();
return $results;
}