?? ??????????????????
????:1???????:?????
2?????
3??????????
4????????????
5????????
??????????????????11?????????????????????27???????? (??? ???)???????27??,????????????,???????????,???????
??????,????(??)?????????????
?????20????,??????????????????????11?????????????????22???????????????????,???70?,?6???????????
??????????300????????????????????,????????????????????8.6%??8.7%????,?????????????????,??(????????????????????) ?????????:??????????