?? 1??????????????12.1%
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????:1????????:?????????
2????????????
3???????????
4???????
5??????????
?????????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??????(??) ????:??