?? ?????????????????????????
????:1???????600??????:??600??
2??????
3??????????????
4????????
5?????????
????????????12??6?????????? (???????????????????????? ??)??6???????,?,36.4????????????????????????84??(????????????????,?),???
??????????????«???»,???????12??1?,????????????????????90??140??,?????????,??????????????????????140??,????1%?;??140?????????????,?????????????1.5%?2%?????????????????????????????????????????????????
?????????????????,???,????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%?
??,??,?????????,??,??(????????) ?????????:?????????