2023
- 2 teams
2021
- 1 team
2020
- 4 teams
2019
- 4 teams
2018
- 3 teams
2017
- 4 teams
2016
- 3 teams
2015
- 2 teams
2013-14
- 2 teams
2012-13
- 4 teams
2012
- 1 team
2011-12
- 4 teams
2011
- 2 teams
2010-11
- 9 teams
2009-10
- 6 teams
2008-09
- 7 teams
2008
- 1 team
2007-08
- 5 teams
2007
- 1 team
2006-07
- 4 teams
2005-06
- 7 teams
2004-05
- 5 teams
2003-04
- 5 teams
2002-03
- 5 teams
2001-02
- 8 teams
2000-01
- 8 teams
1999-00
- 6 teams
1998-99
- 11 teams
1997-98
- 8 teams
1996-97
- 5 teams
1995-96
- 6 teams
1994-95
- 3 teams
1993-94
- 2 teams
1992-93
- 1 team
1991-92
- 1 team
1990-91
- 1 team
