Edition 1, May – June 1998
Edition 2, August – September 1998
Edition 3, October 1998 – January 1999
Edition 4, February – June 1999
Edition 5, July – September 1999
Edition 6, February – June 2000
Edition 7, July – September 2000
Edition 8, April – August 2001
Edition 9, September 2001 – February 2002
Edition 10, August 2002 – February 2003 (PDF)
Edition 11, August 2003 – February 2004
Edition 12, March 2004 – August 2004
Edition 13, September 2004 – February 2005
Edition 14, March – June 2005
Edition 15, September 2005 – February 2006
Edition 16, March – August 2006
Edition 17, September 2006 – February 2007 (PDF)
Edition 18, March - August 2007 (PDF)
Edition 19, September 2007– January 2008
Edition 20, September 2008 – January 2009