??
?????? (? ?????????????????)?????,??????2?????????8????,??????????????50??????13??????,????????5.3???,??????????????????75%,??????????????
???,??“??????????????????????”?????,?,??????????????,???
“?????????????????3?????,??????????7500??,???????????????95%?”????,??????,??????????????????,??“??????”,???????????????????????,?,??“????”,?????????????????,??????????????????????????????????,?????????
???????,??????????96.8%???2.2%??????1%,???????????????????????,????????????????????????,????,???????????? ?????????????????:???????????
?????????
????????5???????????????????????????