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

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

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

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

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