public function getExportPerTick()
    {
        if ($this->_iExportPerTick === null) {
            $this->_iExportPerTick = (int) \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam("iExportNrofLines");
            if (!$this->_iExportPerTick) {
                $this->_iExportPerTick = $this->iExportPerTick;
            }
        }

        return $this->_iExportPerTick;
    }