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

2????????

3?????200??????

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

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

????,??????????????9 ???????????????? 20 ??,“?”???500??,????????76%?

??,???????????????????9????????????,????2.5????????,12?????10??,?????,?????????

???5.6??,???????2012??????,????,??????????????

(??? ????????? ???????????????? ????? ??????? ?????? ??? ??????????????????????????????? ??? ????????????????????????? ????????? ???????????? ?? ?????????) ????????????????????????????????????????:??