???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%,????

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