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

2?????

3???????

4???????

5????????

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

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

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

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