9??????????????

????:????????:??90??????????

?????10?????10? (??????????????????)????,9????????,9????????????????,???????????35.8%,?????????6.9?????????;????75%~100%?12.8%,????1.9???????????????????;???????50%~75%????????21.8%,????????0.6??;????50%??????19.6%,?5.3??????

9????,?????????????,????0.1??0.3???????????????,?????0.1????????,??????????????????????????

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