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

2???????????

3??????????

4???????400?????

5?????

??:???????????,5??1724??,???18.6??????,?14%????13%,?????????????????????,????,????,?????????????

??????????????,?,???????,??????????????????????,5????????13????,????????????

?????????,???????????,??,????????????,???????????,????????????????????????????????????11%?26%?11%?

?,??????

??????????:“???????,????????????????????????????,?????????????????,?????????????????????????????????5%?” ??????????:????????????