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

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