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

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

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

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

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

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