2023-24
- 21 Teams
2022-23
- 43 Teams
2022
- 1 Team
2021-22
- 24 Teams
2020-21
- 40 Teams
2019-20
- 20 Teams
2018-19
- 27 Teams
2017-18
- 19 Teams
2016-17
- 12 Teams
2015-16
- 16 Teams
2014-15
- 15 Teams
2013-14
- 16 Teams
2012-13
- 11 Teams
2011-12
- 6 Teams
2010-11
- 3 Teams
2009-10
- 6 Teams
2008-09
- 9 Teams
2007-08
- 3 Teams
2006-07
- 5 Teams
2005-06
- 5 Teams
2004-05
- 3 Teams
2004
- 1 Team
2003-04
- 3 Teams
2002-03
- 4 Teams
2001-02
- 1 Team
2000
- 1 Team
1999-00
- 4 Teams
1998-99
- 5 Teams
1998
- 2 Teams
1997-98
- 5 Teams
1997
- 2 Teams
1996-97
- 3 Teams
1995-96
- 4 Teams
1995
- 1 Team
1994-95
- 3 Teams
1993-94
- 4 Teams
1992
- 1 Team
1991-92
- 6 Teams
1991
- 2 Teams
1990-91
- 5 Teams
1990
- 1 Team
1989-90
- 2 Teams
1988-89
- 1 Team
1987-88
- 2 Teams
1986-87
- 4 Teams
1983-84
- 2 Teams
1983
- 1 Team
1982-83
- 3 Teams
1982
- 1 Team
1981-82
- 3 Teams
1981
- 1 Team
1980-81
- 5 Teams
1979-80
- 5 Teams
1978-79
- 3 Teams
1977-78
- 2 Teams
1974
- 1 Team
1973-74
- 3 Teams
1972-73
- 3 Teams
1972
- 1 Team
1971-72
- 3 Teams
1970-71
- 1 Team
1969-70
- 4 Teams
