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