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