?????2???20?? ???????,??(VDA)19??????????,??????25%?“????”?

????????,“?????????????????????”,?????????

??????????????(DIHK)??:“???,???????????”

???VDA????????DIHK??????,?13%???,????????????

?18??????,???25%?????????,???????????????4???????????2?????????????? ?????????:?????

??

??:???????????,??????????,??????????????