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

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