?????? ???????????????

????:???????:1800???????

???????????:???,???????,??,??,??

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

????,?????????????????????,?????????????????6?????,?????,?????????????

?????,?????????????6?????????,??????????????????????552?????,??18.5%?????????????,?????????(?????)??20%??30%??

??,???????????????????,??????????????????????????????,?????????30??????????,????????????????????

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

??,???,????????????????1????????????5???,??????????????84????????,(???????????)552.4????????????,??????????12.36%,?????????????????

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

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