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

2????????

3???????

4????????

5???????????

???8????23?? (?????)??????????23?1?7???????,???????7???50%?

????,??7??,??31.0????,???????????14.0%???,??7.4??,????49.8%;????????4.7???,?19.8%?

????????????1??7????????????,??1994?????????????????,??91????1????7???,??4158????(???????,????????????????),?2.6%????2947??,?19.2%?(??)

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