Factiva is a very large database of press articles covering many newspapers, magazines, wire services, etc.. Here are the number of articles that hit the search key "wikipedia":
2000 - 0 2001 - 13 2002 - 26 2003 - 97 2004 - 543 2005 - 2729 2006 - 9717
This is not entirely scientific since the coverage of Factiva increases over the years. It gives a fair indication of Wikipedia's increasing presence in the press, though.
Zero.
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