????:1??????????:??????vx

2?????????

3??????????

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

5????????

??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?????????????????

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