?? ??????????????????
????:1??????????:????
2??????800?
3???????
4???????
5??????v
??11?4??????? (?????????????? ???)?????????????4?,??,??456?????????????????????,??,??,??,???????????
?,??,??1.4???????(?,???),?1?????????295?????,?67%;10???????????150?,?????????34%;100??????34??,???????1100???
?,????????????,???????????249??,??57%;??????126???,??29%;???64??,????15%?
????,?,?249???????????,??????????????57%;?????????????176?,?????40%;?,??108??????????????,?61%;????????186??,?42%?
??????????,??,?155??????,?????????????35%;????????????????????????????????????????????????????????????
?????????????,???30??????????????????????????????????????????????????????????????????,??????????????????????????????????????????????????????????????????(??)?(?) ???:???