?????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???

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