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

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

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

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

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

??

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