????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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