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