????????????????12?10???????? (????????????? ?????????????????)?,???????????(??????“???”)??????????10????????,????????,??,?????

??????????“???????????”????????????,????????,11?????????4.5%?????????????,111?6.1%,????????????????????????????4.2??????,111???5.1%????????????,???????5.2%???5.5%?

???????????????????????111??????????,?????????????????????????10.4%?16.6%????19.6%,?,????

?????????????????????????????????????,??,????,????

??,111???????????,????????????15.9%??18.7%,????????????????????11.4????????14.2????,??????????“?”?????,11????????????????28.8%???????????????74.4%?111?????,??????????????????????????16.8%??12.5%,??12.3?8???;11?????????????,???36%?????????????18.8%?

??,??????????????“?????????????????”????????????????????,???????,?????“????”????????????????????,?????????,?????,?,??????????????(?????????????????????????) ??????????:?? ??“????????”

?? ??:?????????“??”??????

????:1?????????:????????

2?????vx

3???????

4?????????

5?????????

????????????????12?10???????? (????????????? ?????????????????)?,???????????(??????“???”)??????????10????????,????????,??,?????

??????????“???????????”????????????,????????,11?????????4.5%?????????????,111?6.1%,????????????????????????????4.2??????,111???5.1%????????????,???????5.2%???5.5%?

???????????????????????111??????????,?????????????????????????10.4%?16.6%????19.6%,?,????

?????????????????????????????????????,??,????,????

??,111???????????,????????????15.9%??18.7%,????????????????????11.4????????14.2????,??????????“?”?????,11????????????????28.8%???????????????74.4%?111?????,??????????????????????????16.8%??12.5%,??12.3?8???;11?????????????,???36%?????????????18.8%?

??,??????????????“?????????????????”????????????????????,???????,?????“????”????????????????????,?????????,?????,?,??????????????(?????????????????????????) ??????????:??