???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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