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

2???????

3?????vx

4?????????

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

??????2????????6??????????????????????????? (?????? ????????)???6????????????????????,????4.1%,??,??????????

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?????,???,??????????????????????????????????????,?????????????????????????????10%???????

?????????,?????????????,?????????????????????????????????????????,???????????????6.2%???????????????????????,????6770????????????(?????,??),???????7.0%;???5??,????5.9%?????????95.1???,????

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