public function searchwordStatisticsAction()
    {
        // days to show
        $days = 30;
        $data = $this->getSearchwordStatistics($this->id, $days);

        if ($data['error']) {
            $error = $data['error'];
            unset($data['error']);
        }

        $this->view->assign('days', $days);
        $this->view->assign('data', $data);
        $this->view->assign('error', $error);
        $this->view->assign('languages', $this->getLanguages());
    }