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

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

3???????

4?????vx

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

?12?????20? (??)??20????????????1-11??????,?????????????11???,????????32.3???????,????????????????14.4%?

????,??8.2???,????46.7%;??4.9??,?????19.2%?

1-11????,???3147???,????????????151??;????8665??????????,???????12.0%;???5290????,??18.7%?(???????)

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