????:1?????????:??????vx

2????????????

3???????wx

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

5??????

??6???28???? (????)????28???1-5????????????????,????????????5???????,????????????????30.4????,?????14.1%?

????,??6.9??,??52.2%;??4.6????,???????????20.5%?

1-5?????,?1372???,??59???????????1-5??,???2578???????,???6.5%???1703?????,?21.6%?(???????)

?????????:???