The data is from a couple years ago and I don't feel like doing it again, but this is sorted by the top posters at the time...
Spoiler!
2000 (users over 20,000 posts: 32)
2001 (21)
2002 (18)
2003 (14)
2004 (14)
2005 (22)
2006 (12)
2007 (9)
2008 (3)
2009 (6)
2010 (over 10k)
2011
2012
2013