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