January 2004	April 2004	October 2004
February 2004	June 2004	November 2004
March 2004	July 2004	December 2004

January 2003	April 2003	August 2003
February 2003	May 2003	Oct/Nov 2003
March 2003	June/July 2003

January 2002	April 2002	July 2002	October 2002
February 2002	May 2002	August 2002	November 2002
March 2002		September 2002	December 2002

January 2001	April 2001	July 2001	October 2001
February 2001	May 2001	August 2001	November 2001
March 2001	June 2001	September 2001	December 2001

February 1999	March 2000	July 2000	November 2000
June 1999	April 2000	August 2000	December 2000
December 1999	May 2000	September 2000
February 2000	June 2000	October 2000