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

2??????

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

4????????50?????

5???150??

????,????????,??????????????????

??,?????????????,?????????????????42.3?????,?????????????????15.3%,???????????????????50%,?????????????????????????????111????????????,??,??????????????,???7.3????

?????? ?????:????11????????????????,??????????6400????????????,????35%,????????,??????1/3,????????

??,?,?????????????????????,????,??????????????????,???????????????

(?????????????)

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