????“???”??1.56???????????

????:?????50???:??????????

???????????????9???????????20? (?????? ???)???????????20???,???,??“??????????????”,???????“?????????????”???????????????????1.56?????????,????????7.6%,????????????

20????????????????“????”???????,????????????????,?,??,???“?????”,??????????????????,??,???????????????????3.6????????(??????????????????)???,??????5.4?????,??

????????????11??“????”?????,?????,??20%,?????????????????????,????????“??”?????????????????,??????????

??????,???????,???,????,????,?????8?????????????,??2.6?????????????????,??“???????????”??????????????,??????????????????????,??(?????????????????) ?????:???????????????