??
?? (???? ??????????????????)????????,??????????????2?????8??????????,???????50?13???,??????????????5.3????????????,??????75%,?????
?????????,????????????“???????????????”????????????????????,?????????????,??????,???
“??????????????????3??????,?7500??????,???95%?”??,???????,?????????????????????????????,????“????????”,????????????????,????????,?????????“?????”,??????????????????????????????,?????????????????????,?????????????
????,??????96.8%??????????????????????2.2%?????1%,??????,????,??,???????????? ??????:???????????????????
?????????
???????????????????5????????????????