public function getBillCountry()
    {
        if (!$this->oxorder__oxbillcountry->value) {
            $this->oxorder__oxbillcountry = new \OxidEsales\Eshop\Core\Field($this->_getCountryTitle($this->oxorder__oxbillcountryid->value));
        }

        return $this->oxorder__oxbillcountry;
    }