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