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

2????????

3?????????

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

5?????????

???????2????9??????? (???????? ?????????????)???????????9???,1??????????,??,?????,??(PPI)?????????????2.3%,??0.2%?

??????????????????,1????????????????PPI???????????????,??????????2.6%,????????;???1.2%,??0.2????????????????

??????????????,???????18.9%,?????9.3%,????????????????6.7%?

????????,??????????????????????????????????????????????????????????????????10????????PPI????????????2.11??????????????,?????

?,1????PPI???????????????0.1???????,??0.2%;???0.1%?????????

????????,????????????,???????,???2.2%??????,????????????????,???????????????4.5%?

??,?????????????????,????????????????????,?????????,??????????,????,????????PPI????????????????(???????) ?????????????:?????????????