2024
- 4 Teams
2023
- 2 Teams
2022
- 2 Teams
2021
- 3 Teams
2020
- 2 Teams
2017-18
- 2 Teams
2017
- 2 Teams
2015-16
- 3 Teams
2015
- 1 Team
2014-15
- 1 Team
2014
- 2 Teams
2013-14
- 3 Teams
2013
- 2 Teams
2012-13
- 4 Teams
2012
- 2 Teams
2011-12
- 6 Teams
2011
- 2 Teams
2010-11
- 5 Teams
2010
- 3 Teams
2009-10
- 8 Teams
2009
- 3 Teams
2008-09
- 9 Teams
2008
- 3 Teams
2007-08
- 8 Teams
2007
- 3 Teams
2006-07
- 11 Teams
2006
- 3 Teams
2005-06
- 13 Teams
2005
- 4 Teams
2004-05
- 10 Teams
2004
- 3 Teams
2003-04
- 11 Teams
2003
- 3 Teams
2002-03
- 14 Teams
2002
- 3 Teams
2001-02
- 11 Teams
2001
- 3 Teams
2000-01
- 10 Teams
2000
- 3 Teams
1999-00
- 16 Teams
1999
- 5 Teams
1998-99
- 19 Teams
1998-98
- 1 Team
1998
- 3 Teams
1997-98
- 16 Teams
1997
- 2 Teams
1996-97
- 19 Teams
1996
- 8 Teams
1995-96
- 24 Teams
1995
- 5 Teams
1994-95
- 24 Teams
1994
- 5 Teams
1993-94
- 20 Teams
1992-93
- 15 Teams
1992
- 3 Teams
1991-92
- 8 Teams
1991
- 2 Teams
1990-91
- 5 Teams
1989-90
- 4 Teams
1988
- 1 Team
1987
- 1 Team
1986
- 3 Teams
1985-87
- 1 Team
1985
- 1 Team
1984-85
- 2 Teams
1983-84
- 4 Teams
1982-83
- 3 Teams
1982
- 1 Team
1978
- 1 Team
