?????:?????????270??

????:????????:????????

?????12??????????20? (??? ??????????)?????20?,??12?????19?????24?????????,?270???????????????,??????????310???????????????

???????,?????????12????????19??24??,??????????????????3330????5210??,??“??”?????????????5300??????????,?100?????????????

???????????????,?????,??????????????????????,???????????????????11??,??6.6%,????0.5?;??????????3?20%??

????,????????,??????????????????,?????

?????????,??,????35%?????,????9?????????,10???15.5%,10??????????4.1%???,???16%?(???) ?????????????????:???