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