??????????????????
?? ??4.3% ? ??? ? ?? [?]
??????????80???????????????????????????????????[??]
1 ??2011?? 2 ???????6000????1/3 3 ???????400 4 ?????????1/3?? 5 ????????? 6 ?2009???16.31? 7 ???????? 8 ?????????3000 9 ????q???