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

2???????

3???????

4????????

5????????

??????9????????????????????27???????????????????????(??????????? ???)27??,????????????????????

????????????27????????,???,??????????150?,?????58??,???,?25%?????????????4.3%,??????8???????????????????????24??????,???2.4???????

?,??,????????????????,???,???????????????????,???????????143??

?????????????,????,??,????????????????????,???????????????????;?????????????,????,??,????????,?????????????????????,?????????????????,?????

??????????,27?1?????????????,?,??????????????????10??????????????????1?????????????,???????2???????(?????????) ???:????????????????