????:1???????????????:????qq?

2???????

3?????

4?????????

5?????

??????????????6????????????????21???(?? ??????)?????????IQ(??NIQ)?(WDL)?????????????«Z??????»??,????,?2030??,“Z?????”???????12??????????????????????“Z??????”??,??????????????????????????????????????????????,?????????

?“Z??”??????1997???????????????????2012???????????,Z???????25%(?20??????)??,“Z????????”??4.02%?

????,“Z???”??????????,“Z?????????????????????”????????,“Z?????????????????????????”????????????????????“??”????,?????,???“??”?????,??“Z???????????”????,61%????????????“Z??”?????????????????,34%??50%?????,???,“Z??”?,???

NIQ???????(Jason Spencer)???????????????,Z??????????????,??????????,????????,?????,???(?????????????) ???????????????:??????????????????