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

????:????????:?????????????

?????6??????????????30???????????????20?(???7?????1?2????),??????????????????(institut Elabe)???,??????,????33%?,?????????;??“???”?????????????28.5%????,?;????“?”???22%?,????????

???,??????34%??,???“???”,????28.1%,?“???????????”???20.3%,?????

?????????????,??69.7%,???1986???????,????????????260?310??,????;???“?????”????115????145????;????“??”?????90??????120??

?577??????,??5????????7???7?????????????????????(?????????? ???????????)

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