????:1??????:??????

2???sn

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???7????????22??? (??)????,??????6???,???30.7??,???14.1%???,??7.1??,????????7???,???51.6%;????????????????4.7??,??????19.9%?

16????,???????15276?,????????1878????????,????????10248???,?2406?;??2584????,?????????285???

???,16????,??????????3441?????,??2.5%????2540????????????,????23.7%?(????) ?????????:????????????