???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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