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