1??????????????12.1%

??2????18????????? ??18???,1???????????,???3.69????,????????????12.1%?

?,????????,?????????,?2.75?????????????,???????????74.6%,???10.6%???????1446.17???????????,?????17.6%,?971???,????18.9%?

????,1???????,?4.23?????????,?2884.72?????????????????,?????3.27??,?????????2664.89???????????,?????0.77????0.48??????,???10.9%?????17.5%?

?,1??????????,?????439????,????3.7%,??18.3?????(????) ???:????