2017-18
- 2 Teams
2015-16
- 4 Teams
2014-15
- 1 Team
2013-14
- 3 Teams
2012-13
- 4 Teams
2011-12
- 6 Teams
2010-11
- 5 Teams
2009-10
- 8 Teams
2008-09
- 9 Teams
2007-08
- 8 Teams
2006-07
- 12 Teams
2005-06
- 14 Teams
2004-05
- 11 Teams
2003-04
- 12 Teams
2002-03
- 15 Teams
2001-02
- 12 Teams
2000-01
- 14 Teams
1999-00
- 17 Teams
1998-99
- 21 Teams
1997-98
- 18 Teams
1996-97
- 22 Teams
1995-96
- 26 Teams
1994-95
- 27 Teams
1993-94
- 20 Teams
1992-93
- 17 Teams
1991-92
- 9 Teams
1990-91
- 7 Teams
1989-90
- 4 Teams
1988-89
- 2 Teams
1984-85
- 2 Teams
1983-84
- 5 Teams
1982-83
- 4 Teams
