2012
| September to December 2012 | June to August 2012 |
2011
| September to December 2011 | May to August 2011 |
2010
| September to December 2010 | May to August 2010 |
2009
| October 09 - December 09 | June 09 - Sept 09 |
2008
| May 08 - September 08 |
2007
| May 07 - September 07 | February 07 - April 07 |
2006
| April 06 - July 06 | January 06 - March 06 |
2005
| June 05 - September 05 | March 05 - May 05 |
2004
| May 04 - September 04 | Volume 14, No. 2 |
2003
| Volume 13, No. 3 | Volume 13, No. 2 |
2002
| Volume 12, No. 3 | Volume 12, No. 2 |
2001
| Volume 11, No. 3 | Volume 11, No. 2 |