?? ?????173????????
????:1????????????:????????
2?????????
3????????
4?????????
5???500?4????????
???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??????
??,??,?????????,?????????????????????????????????????????,???????????(??)
????????????:????????