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Not 5 people in 100 can tell you what GATT is , but without it the world would long ago have fallen back into the cycle of protection and retaliation , every country for itself - - a cycle that helped to bring on the worldwide Great Depression of the 1930 's . Among recent smokers , significantly fewer young people in 1997 than in 1995 usually got their cigarettes by buying them in stores , and those that did were significantly more likely to be asked for proof of age . On the basis of cluster analyses of the amount of time spent with different media by young people in 10 countries , it proved possible to assign all children to four broad media-use styles . The UNEP estimated in 1991 that six million hectares was lost annually due to desertification , " affecting the livelihood of more than 900 million people in 100 countries " . " If cancer rates follow current patterns , we anticipate a doubling from 1.3 million people in 2000 to 2.6 million people in 2050 diagnosed with cancer , " said Holly L. Howe , Ph.D ., executive director of NAACCR . Almost four people in 10 have told us they would limit the public performance of music that might offend others . The study , conducted by Peter D. Hart Associates , surveyed 1281 people in 816 households during the month of March .