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

2?????????

3????????vx

4??????????????

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

????????????(????????):?????,10????????????,?????????????,?????????,???

??????????????????10????????,??7.0%?????????,41????39????,???????10??,?50.7%,?????????6???

??,10??????,????????????????????????????????

????????,??????????????10??,????????51.9%,??0.3??????????,?????????7??????????

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