?? ???21????? ?109???????
????:1???????:???????????
2??????????1680
3???????
4????????
5???????
24???????????,????????????21??????????????????????????????????????????????????,109????????????,???????????????????
?21??????????????????,??????????????????????????109??????????????????????????????????93?,?????????????????????????????70%,???,?????69%?
?? ????????????????:??,??????????????,???????,??,??????????
?????????????,???????????11???? ?????????:????