??
2??21??????,???????????,????????????
??????????,??,????“??????”????,?????????,?,??,???????????????????????????????????????????????????
?,?,???34.1???????????????????????????,????3???????????????49%,??????????51%,???????????????93.6%,?????????????39%,???13%???????????????,??????????(??????????????????)???????????????????(?????? ????)
????????????????????????:????
?????????
????????:???34.1????????????????????????