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