2024
- 3 teams
2023-24
- 2 teams
2023
- 5 teams
2022-23
- 2 teams
2022
- 2 teams
2021-22
- 1 team
2020-21
- 1 team
2019-20
- 1 team
2018
- 3 teams
2016
- 3 teams
2015-16
- 1 team
2015
- 3 teams
2014-15
- 4 teams
2014
- 3 teams
2013-14
- 9 teams
2013
- 2 teams
2012-13
- 9 teams
2012
- 2 teams
2011-12
- 3 teams
2011
- 3 teams
2010
- 2 teams
2009
- 3 teams
2008
- 1 team
2007
- 1 team
2005-06
- 1 team
2004-05
- 3 teams
2004
- 3 teams
2003-04
- 6 teams
2002-03
- 13 teams
2002
- 3 teams
2001-02
- 16 teams
2000-01
- 15 teams
1999-00
- 15 teams
1999
- 5 teams
1998-99
- 9 teams
1998
- 2 teams
1997-98
- 4 teams
