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

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

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

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

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