????:1??????V:?????

2?????1000??

3??????????

4????????????

5??????

???????????:??????????????,10???????????,??????????????????,?,?????,???

10????,??????????????,????????????0.7????????????????????????,10????????,????9??????17.1???

?????????10????????????????,?????????????????????41??,?????????????27??????????9????,??????????????????,?????????9?????????????????????22.3????????????????,??????17.8??????????????????????????????????,?????????????????????4.5%,???

?,10???????????,??????????????12.9%,????????????????????1.9?????????,????????????????????73.3%?48.8%?

????:“??,??????????????????????????????????????,??????????????????,????????????,??,?????,?????”

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