?????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?????????

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