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

??,“??????????????”,???????????

????(DIHK)???:“?,????”

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

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

??

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