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

2???????

3???????

4???????

5?50???????

????????????9??20?????? (????????? ?????????????????)?????????,??????A??????20????????????????(???????????)??????,?????,????,???????????????,???

??,??2.58%,???A???????,??????????20%?,??????????????????9%?

????????,?????????,????,??,????????????????,?,?;?????,????(20??????)????,??????????,?????????????

?????,??????2.39%???????????????,???????,????3%?

??????????,???????????????19????????,??12???0.62%,??????????2614.6????,??????

????,A???????,????,?,???

????????,?????,???2736?,???0.03%;??8075?????????,???????0.15%;???????1536?,??0.64%?(?????????????????) ???????????:???