?? ???21?? ????109???????
????:1?????:?????150??????
2??????
3??????
4???????
5???????
24??????????????????,??21?????????????????,109???????,??????????????????????????????????????????
????????????21??????????????,??????????????????109??????????????????????????????????????93?????,?????????70%,????????????????,????69%?
??????????? ???:????,??????????????????????????????????,?,??????????,?????
?????????????,??????????11????????? ?????????:????