protected function createCountries()
    {
        $rows = $placeholders = array();

        foreach ((array) $this->getCountryModel()->getIso() as $code => $country) {
            $placeholders[] = '(?,?,?,?,?)';
            $native_name = empty($country['native_name']) ? $country['name'] : $country['native_name'];
            $rows = array_merge($rows, array(0, $country['name'], $code, $native_name, serialize(array())));
        }

        $values = implode(',', $placeholders);
        $sql = "INSERT INTO country (status, name, code, native_name, format) VALUES $values";
        $this->db->run($sql, $rows);
    }