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

2?????

3?????

4?????????

5?100???????

21??,?????????????????????????????????????,???,??????????,???????????21????????????????????????

9?????????????24?28?,?21????????????????,?????????,?????????????????????????????15??????????????,????????????????????

??,???10????,????2.3?????,????????????????????????????????????????????????

?8???????????????????,??????2441.3????????????????,?????????????21.8%,???52.6%,????

?????????? ????????

?????21????????????????,??,????????????????????????????,????????

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

?,??,???,????????2100????????,????9??????????????,??????????,???3.1?????,????6500?,?????????????,??????????????2???????????

??:???,???????????????????????,????? ???????????????:?????????????