????:1??????????:??????

2???????

3????????

4????????

5???????

???????2??????????14???? (?????????? ??????????)??????????14???,??25%??????

?????????????????2?10?????????????,????????,???????232????????????????????????,????????

???,????,????????,???????????????????,???????????????????,?,??,???????????

?????,??????????,????????????,????????????????????????????????,????????????????????,?????????????????(??) ?????????:???????????????????