?? ???21?? ????109???????
????:1?????????:????43?
2????????????
3?????
4?????????
5????????????
24??????????,????21?????????????????????????????????????????,109????,???????????????????????
???21?????????????????????????????,???????????109??????????????????93????????,???????????70%,??????,?????????69%?
?????????????????? ????:????????????,??????????????????????????????,??,?????????????????????????????,???????
??,????????????????????????11???? ??:????