Why does the \Bitrix\Sale\Internals\BasketTable::getList() method return the 'BASE_PRICE' parameter equal to zero?

Question

1C-Bitrix

Actually, why does the \Bitrix\Sale\Internals\BasketTable::getList() method return the 'BASE_PRICE' parameter equal to zero? More precisely with the value "0.0000". Call example:

$result = \Bitrix\Sale\Internals\BasketTable::getList(
        array (
          'select' => array (
            'BASE_PRICE',
            'PRODUCT_ID',
            'LID',
            'ID'
          ),
          'filter' => array (
            'LID' => SITE_ID,
            'FUSER_ID' => \CSaleBasket::GetBasketUserID(),
            "ORDER_ID" => "NULL"
          )
        ) );

      while ( $BasketItem = $result->fetch() )
      {
        var_dump($BasketItem);
      }

While the CPrice::GetBasePrice() method returns the correct value of the base price without any problems. Thank you!