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

2?????????

3????????

4?????????

5???????

?7????????????31? (??)???????????????7??31?,?????????????????1.2????????(???,????),????17.7%?

?????,?????????????????????,??????????????????,??????????26.8%?20.8%?10.7%?

???????????????????,?????????????????????,??4300?????,???76.2%,???????????????30.4????

??,?????,??13.9%???,????????????????????????????????????????????,????????????????????????????????????????????????????????????????????????????????,??,????????????????????(??????????????) ?????????????????:????