????:1?100??????:??????

2???????

3???????????

4???????

5???????

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

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

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

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