Date Audience Schools Educators Documentation 1998 “more than 12,000” 1999 “more than 8 million” “more than 12,000” “440,000” 1999 “8.1 million teenagers” 2000 “over 8 million” “12,000” “400,000” 2002 “nearly 8 million teens” “over 350,000” 2003 “nearly 8 million” “nearly 12,000” July 2005 “over 7.7 million” “over 350,000” Dec. 20, 2005 “more than 7...
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