??????????????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%,???

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