????:1?????150???:?????????

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

3?????????

4?????vx

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

???????????11??22? ????????????,11??22????????????????,????1~10?????

???????10???????,??31.9???,??14.5%???,????7.9??,???48.0%;?4.9??,???????20.3%?

1~10????????????,????2880??,???128??????????;????????????7181????????,???8.3%;?4502??,??20.7%?

?????:???