2024
- 9 teams
2023-24
- 29 teams
2023
- 12 teams
2022-23
- 16 teams
2022
- 13 teams
2021-22
- 18 teams
2021
- 10 teams
2020-21
- 12 teams
2020
- 12 teams
2019-20
- 16 teams
2019
- 9 teams
2018-19
- 6 teams
2018
- 11 teams
2017-18
- 2 teams
2017
- 9 teams
2016-17
- 2 teams
2016
- 3 teams
2015-16
- 2 teams
2015
- 4 teams
2014
- 7 teams
2013
- 5 teams
2012
- 8 teams
2011
- 11 teams
2010
- 7 teams
2009
- 7 teams
2008
- 10 teams
2007
- 5 teams
2006-07
- 1 team
2006
- 10 teams
2005
- 10 teams
2004-05
- 1 team
2004
- 8 teams
2003-04
- 1 team
2003
- 8 teams
2002
- 5 teams
2001-02
- 1 team
2001
- 7 teams
2000-01
- 2 teams
2000
- 6 teams
1999-00
- 4 teams
1999
- 7 teams
1998-99
- 8 teams
1998
- 9 teams
1997-98
- 10 teams
1997
- 6 teams
1996-97
- 9 teams
1996
- 18 teams
1995-96
- 6 teams
1995
- 15 teams
1994
- 14 teams
1993
- 16 teams
1989
- 1 team
