June - 1999	November - 1999	November - 2000
February - 2001	March - 2001	May - 2001
July - 2001	August - 2001	September - 2001
March - 2004	May - 2004	June - 2004
November - 2004	January - 2005	March - 2005
July - 2005	September - 2005	November - 2005
January - 2008