????????173?????

????:??sn??:????????

???????????2????????????????8??????? (?????? ???????)????????8????,?????????1???????????,??????,????13.6%????17.6%?

??1?????,???218???,???????????173????????????????,?????????????????????????????????????????????????100????,?????,????

????173??????????????????? ????????????????????????????????

????,?,??1?????:?40%,?????16%,????8.2%?

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

???????1????????????,“????????”?20.9%,????15.5%;?,??????????????????14.2%?“??”(???????????????)???????54.4%?

??????????????????????????????????????????,?????????????20???

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

???????????????????????????:???