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

2???????

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

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

5?????

????12????????????20??????????????? (???????????????? ????????????????)???20?????,?12???19??24???,??????????270???,????????310??

????,?????????????????12??????????19??24??,???????3330?????5210?,??????????“?”??5300???????????????,??????????????100??????????

??,?,???????????????????????????????,???????????????11?,??6.6%,?????0.5?;?????????????3??????????20%???

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

??????????,?,?????????35%??,??????????9??????????????????,10??15.5%,10??4.1%?????,????16%?(??) ???:???