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