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