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

2???????????

3???????

4??????????

5?????????

????????????????????11??????????27????????????????? (?? ???????)??27????????????????????,??????????????????,???,???

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

???20??????????,??11?????22????????,?70???????????,?????????6???????????

?300????????????????????,??8.6%?????????8.7%??????????????????????,?,??(????????????) ????????????????????:????