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

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