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

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

3????????????

4???????

5??????

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

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

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

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