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

2???????????

3?????????????

4????????vx

5???????

??????????????????7???????????????3?? ????3??????????????,?????????????,70%????????

??«???????»????????????????????,????????????????????5?????(CPI)?????2.24%,?????????

??????????,59%??????????????,57%?????,43%????????,?????????,???????????

??,62%?,????????,????????????33%???????????????;“Z??????????”????????,??????????????????94%??????????????????30??,?????75%????????,?????

??,?,??:64%?,59%??????????????,67%?????????????(???) ??????:??