?? ???31.9???? ???????????????14.5%
????:1??????????:?????????????
2??????????
3???????
4?????????
5??????????
?????????????:???????????11??22????????,????10???,?31.9????????????????,???14.5%???,?????7.9???????,??48.0%;????4.9???,??20.3%?110????,??7181??,??8.3%;???4502??????????,????20.7%?
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