???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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??:???????????,??????????,??????????????