2023-24
- 8 Teams
2022-23
- 2 Teams
2021-22
- 3 Teams
2019-20
- 5 Teams
2017-18
- 4 Teams
2015-16
- 2 Teams
2014-15
- 3 Teams
2013-14
- 2 Teams
2011-12
- 4 Teams
2010-11
- 10 Teams
2009-10
- 3 Teams
2008-09
- 7 Teams
2007-08
- 1 Team
2006-07
- 2 Teams
2005-06
- 4 Teams
2004-05
- 3 Teams
2001-02
- 4 Teams
2000-01
- 3 Teams
1999-00
- 3 Teams
1998-99
- 5 Teams
1997-98
- 6 Teams
1996-97
- 9 Teams
1995-96
- 9 Teams
1994-95
- 8 Teams
1993-94
- 9 Teams
1992-93
- 7 Teams
1991-92
- 10 Teams
1990-91
- 10 Teams
1989-90
- 12 Teams
1988-89
- 6 Teams
1987-88
- 4 Teams
1986-87
- 1 Team
1982-83
- 1 Team
