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

????????2????14???????????? (????? ?????)????????????14??,?????2??????????????8??????????,???????????????????50??????13??????????????,????????5.3??????????,??????75%?

??????????,??????????????,?????????????

??,????770?????,??1??10?1?????22.5?6?????????????????????,??????????,??????

?,????????????????????????,???,??????,??????????

?????,?“????????”?????“??????”??

????,???????????????????????3???,??7500?,?95%????,????????????

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

????,????,????????????????????,???????????,?????????,??????????????????(????????)