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

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