| Beginner Class 1 October/November 2002 |
Beginner Class 2 March/April 2005 |
| Intermediate Class 1 October-December 2005 |
Intermediate Class 2 February-May 2006 |
| Intermediate Class 3 October-December 2006 |
Intermediate Class 4 April-May 2007 |
| Intermediate Class 5 October 2007-January 2008 |
Intermediate Class 6 March-May 2008 |