public function statsAction() {
        /** @var Modreview_Model_DbTable_ReviewTasks $tasksTable */
        $tasksTable = Engine_Api::_()->getDbtable('reviewTasks', 'modreview');
        $avgResponseSelect = $tasksTable->select()
            ->from($tasksTable, array('response' => 'AVG(TIMESTAMPDIFF(MINUTE, `create_time`, `reviewed_time`))'))
            ->where('reviewed = 1');
        $avgResponse = $tasksTable->fetchRow($avgResponseSelect);
        $this->view->avgResponse = $avgResponse->response;
        $rankingSelect = $tasksTable->select()
            ->from($tasksTable, array('score' => 'COUNT(1)', 'reviewer_id'))
            ->where('reviewed = 1')
            ->group('reviewer_id')
            ->order('score desc');
        $rankingRows = $tasksTable->fetchAll($rankingSelect);
        $rankings = array();
        foreach ($rankingRows as $ranking) {
            $rankings[] = array('score' => $ranking->score, 'user' => Engine_Api::_()->getItem('user', $ranking->reviewer_id));
        }
        $this->view->rankings = $rankings;
    }