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

2?????

3???????????

4???????????

5???l????????

??6???????????19? ????,???19??,?,????????????????5???1.22??,????11.6%?

???????,????????????,??????????????????9.5%,??9.5???????????????????13.5%,???8.2766???,???????????5???

???,????????,???4736.4????,????????10.9%;?????????2716.3????,????91.6%?

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