???????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????

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

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