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

2??????v

3???????

4???3??400???????

5???100???????

???(8??????7???????)??????????,????7??,???24.83???,??????

?????,???7??,???????????24.83??,????????6.2%?

???14.26???,??????????????6.7%;

??10.57??????????,?5.4%?

7??,???????????3.68??,?????6.5%?

????2.14??,??6.5%;

????1.54???,??6.6%?

?????? ????:???,??????,?????7?,??????????,7???????,????4???5%???

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