2023
- 1 team
2022-23
- 138 teams
2022
- 72 teams
2021-22
- 167 teams
2021
- 54 teams
2020-21
- 128 teams
2020
- 48 teams
2019-20
- 82 teams
2018-19
- 73 teams
2017-18
- 66 teams
2017
- 18 teams
2016-17
- 62 teams
2015-16
- 63 teams
2015
- 22 teams
2014-15
- 52 teams
2013-14
- 57 teams
2013
- 19 teams
2012-13
- 68 teams
2011-12
- 59 teams
2011
- 22 teams
2010-11
- 56 teams
2009-10
- 54 teams
2009
- 13 teams
2008-09
- 52 teams
2007-08
- 41 teams
2007
- 21 teams
2006-07
- 38 teams
2006
- 39 teams
2005-06
- 26 teams
2005
- 15 teams
2004-05
- 32 teams
2004
- 26 teams
2003-04
- 31 teams
2003
- 18 teams
2002-03
- 25 teams
2002
- 24 teams
2001-02
- 31 teams
2001
- 13 teams
2000-01
- 32 teams
2000
- 25 teams
1999-00
- 38 teams
1999
- 18 teams
1998-99
- 36 teams
1998
- 33 teams
1997-98
- 41 teams
1997
- 16 teams
1996-97
- 32 teams
1996
- 16 teams
1995-96
- 24 teams
1995
- 17 teams
1994-95
- 24 teams
1994
- 9 teams
1993-94
- 17 teams
1993
- 8 teams
1992-93
- 20 teams
1992
- 7 teams
1991-92
- 22 teams
1990-91
- 26 teams
1990
- 9 teams
1989-90
- 26 teams
1989
- 6 teams
1988-89
- 21 teams
1987-88
- 25 teams
1986-89
- 1 team
1986-87
- 18 teams
1985-86
- 19 teams
1984-87
- 1 team
1984-85
- 20 teams
1984
- 2 teams
1983-84
- 13 teams
1983
- 3 teams
1982-83
- 13 teams
1981-82
- 13 teams
1980-81
- 12 teams
1980
- 2 teams
1979-80
- 8 teams
1978-79
- 12 teams
1978
- 2 teams
1977-78
- 4 teams
1976-77
- 5 teams
