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