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1) , , . ____________________________________________________________ 2) 500 . , 33 . ____________________________________________________________ 3) 68 . 1996 . "American Demographics" 200 . 1 , 425 . ! ____________________________________________________________ 4) 110 - 140 . . ____________________________________________________________ 5) - . 3, 2 . ____________________________________________________________ 6) , 10 000 . ! . .

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