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

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

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

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

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

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

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

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