2013-14
- 5 Teams
2012-13
- 10 Teams
2011-12
- 6 Teams
2010-11
- 9 Teams
2009-10
- 12 Teams
2008-09
- 5 Teams
2007-08
- 4 Teams
2005-06
- 2 Teams
2004-05
- 2 Teams
2003-04
- 2 Teams
2002-03
- 1 Team
1999-00
- 1 Team
1997-98
- 1 Team
1996-97
- 1 Team
1995-96
- 1 Team
1994-95
- 5 Teams
1993-94
- 5 Teams
1992-93
- 3 Teams
1991-92
- 3 Teams
1990-91
- 6 Teams
1989-90
- 5 Teams
1988-89
- 5 Teams
1987-88
- 2 Teams
1985-86
- 2 Teams
1982-83
- 1 Team
1981-82
- 1 Team
