??
???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%?????????????