??????????????5???

???? (???????????????? ????????????)????????,???2??????????8??,??????????????50????????????????????13??,?5.3??,??????????????75%,???????

??????????,???????????????????????“??????????????”???????????????,?????????,???,???????

“??????????3??????,??????7500??,??95%?”?,???????,???????,?????????????“????????????”,??,????????,?????“?????”,???????????????,???????????????????????????,?????

?????????,??????????????????96.8%??????????????????????2.2%??????1%,?????????????,???????,??????????,?????????????????? ???????:????????????????????