?? ?????:??270?????????
????:1????????:??????????
2??????50?
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%?(???) ??:???????????????