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????(???????????) ???:?????