?? ?5???????????? 36.4????????????84??
????:1?????????:????????????
2???vx??
3???100??????
4????????
5?????????????
??????????«????»,???????12??????????1???????????????,???????????????,????140??,??????1%????;??140????,???????1.5%?2%???????????????????????????
????,12?????????????????1?5???,??36.4????????????????????,??84?,??2.3?????????????
?????????????????????,???????????140?74.1??;??140????????9.9?????????????????,??1%??,??92.4%,?????????17.4???
???????????????????4?,4??7.1????????????????????????,???
???????????,12??????????1?????5???????,??????55.3?????????????,??????????????????????24.8%????,???????????????????????????????????????????????????62.2%?87.2%?27.5%??66.4%?
(?? ??) ???:?????