??
?????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??????????(????) ?????????:??
?????????
?????1??????????????12.1%?????????????