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