????:1??????:????????

2?????90????????

3??????

4????????

5??????

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

??????????????,????????“?????????”??,??????????????????,?????????,???

“????????????3???????????????????,??????????????7500?????,?????95%?”?????,?????,???????????????????????,????“????????????”,????,????????????????????,??????“??”,????????,??????????????????????????,??????????????

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