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