Table 3.1

Table 3.1: Contributors to Wikipedia, January 2001-June 2005

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	Jan. 2001	Jan. 2002	Jan. 2003	Jan. 2004	July. 2004	June 2005
Contributors*	10	472	2,188	9,653	25,011	48,721
Active contributors**	9	212	846	3,228	8,442	16,945
Very active contributors***	0	31	190	692	1,637	3,016
No. of English language articles	25	16,000	101,000	190,000	320,000	630,000
No. of articles, all languages	25	19,000	138,000	409,000	862,000	1,600,000
Contributed at least ten times; ** at least 5 times in last month; *** more than 100 times in last month.