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

2?????vx

3??????

4???????

5???????100?????

?????????????????6????????????????????17???? (? ???????????????)?????17?????,1???????????5????????,???????????????4.0%?

????????????,??????????????,5????,????,??????????????????????1??5????4%,?????????????:

?????1??5??,????????????9.6%,?5.6??????????,?????????????57.3%?

?????????????????1????????5?,?17.5%,?????????????1????????????4????0.3????,1?????????????5??,?10%,?????????1.5??????????????

??????1?5???????????????????????,?????????????11.5%,???????????????10.4%,?53.1%,?19.1%,?16.5%?

?????????1??????????????5?????????,????????8.5%,??4.6?????

“??,?????????????????,????????????????????????????????????,??????????”??,?????,????????????????????????,????????????,????????????,????????,??(????????????????) ?????:???