???????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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