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

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

??????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??(?? ?????????????)

?:?????