??
???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?????(??) ????????:??????????
?????????
?????1??????????????12.1%?????????????