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

2?????90??2?

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

4????????

5??????????

?(??):9??23?????,???????,???????????????,???

???,??????????????,???,???????????????????????????????4600?????????????????,????????????????????????????????,31??????????????????????????(????????????????????????????????????)???5?????????

???????????,?????,??????,????????8??,????????10%?14.9%?9%????,????1????????54.6%?31.8%?78.4%?8????????????,????????17%,????????50%,???200???(??????????????)

?????????????:??????????????