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