????:1???????????:???????????

2?????VX

3????????????

4????????

5????????????

?11????22?????? (? ??)???????????????????????????22??,9??????105,?????????????????????;??????1.2%,?????????14.4%,??????

??,?????????????????20???????(??)????????,????????,????

??,?????????13??,?????????????????

??????????,19??(?)??123,???????????????????,?????18?????????????????????,?????????????????????????,19????(???????)??2.5%,????28.7%????????????????????????????????

“???”??????????????????????????????????????(??) ???????????:??????????????