How many subscribers?

As of October 1, 2012, there were about 5367 subscribers
As of July 1, 2006, there were about 2110 subscribers.
As of February 1, 2004, there were about 1,139 subscribers.
As of January 1, 2004, there were about 1,094 subscribers.
As of December 1, 2003, there were about 1,067 subscribers.
As of November 2, 2003, there were about 1,040 subscribers.
As of October 1, 2003, there were about 1,023 subscribers.
As of September 3, 2003, there were about 985 subscribers.
As of August 1, 2003, there were about 948 subscribers.
As of July 1, 2003, there were about 921 subscribers.
As of of March 1, 2003, there were about 794 subscribers.
As of February 4, 2003, there were about 767 subscribers.
As of January 5, 2003, there were about 740 subscribers.

Note: the number of subscribers is an estimate, because there are some people who are subscribed under multiple email addresses.