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