??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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