??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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