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

2?????????

3???????

4?????

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

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

??,??3.1???????????,???????14.7???????????,?????????????????????????????“??????????”????,?????6????????????,????????11??????????????,????????2????,???,????????????,?????????

??,?????????????????,????????????????????????????????????????,??????????????????110??,????????????4.54??,????????????????????????15.1%,???1????????????????????,???????????????????????,?????1100????????????,???1300???????,???990?????

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