????:1???????:???50???????

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

3?????90????????

4????????

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

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

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

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

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

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

???:?????