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