?? ?21???????? ???109????
????:1??????:??????????
2??????200????
3?????????
4?????????
5??????????
24??????????????????,???21????????????????????????,109?????????????,??????????????????????????????
??????????21?????????????????????????????????,????109?????????????????????????????????93?,??????????????????70%,????????,??69%?
?????????????? ???:????????,????????????,?????,??????????????????????????,????
????,??????????????????11???????????? ???:?????????