2013-14
- 1 team
2012-13
- 4 teams
2012
- 1 team
2011-12
- 6 teams
2010-11
- 7 teams
2009-10
- 9 teams
2009
- 1 team
2008-09
- 8 teams
2007-08
- 9 teams
2006-07
- 11 teams
2005-06
- 10 teams
2004-05
- 11 teams
2004
- 5 teams
2003-04
- 11 teams
2003
- 4 teams
2002-03
- 11 teams
2001-02
- 8 teams
2001
- 4 teams
2000-01
- 9 teams
2000
- 5 teams
1999-00
- 10 teams
1999
- 5 teams
1998-99
- 9 teams
1998
- 1 team
1997-98
- 7 teams
1996-97
- 6 teams
