2022
- 1 team
2021
- 2 teams
2020
- 1 team
2011-12
- 4 teams
2010-11
- 4 teams
2010
- 1 team
2009-10
- 4 teams
2009
- 1 team
2008-09
- 4 teams
2007-08
- 5 teams
2006-07
- 8 teams
2005-06
- 6 teams
2004-05
- 6 teams
2003-04
- 6 teams
2003
- 1 team
2002-03
- 9 teams
2002
- 1 team
2001-02
- 6 teams
2000-01
- 8 teams
1999-00
- 10 teams
1999
- 1 team
1998-99
- 9 teams
1997-98
- 10 teams
1996-97
- 12 teams
1996
- 4 teams
1995-96
- 11 teams
1995
- 1 team
1994-95
- 17 teams
1993-95
- 1 team
1993-94
- 12 teams
1992-93
- 6 teams
1992
- 1 team
1991-92
- 3 teams
1990-91
- 3 teams
1989-90
- 2 teams
