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