??
????????????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%?????????????