1??????????????12.1%

????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?????(??????????) ????:??