2023
- 10 teams
2022
- 11 teams
2021
- 11 teams
2020
- 9 teams
2016
- 2 teams
2015
- 3 teams
2014
- 5 teams
2013
- 3 teams
2012
- 2 teams
2011
- 3 teams
2009
- 2 teams
2008
- 3 teams
2007
- 4 teams
2006
- 6 teams
2005
- 6 teams
2004
- 5 teams
2003
- 5 teams
2002
- 12 teams
2001
- 13 teams
2000
- 14 teams
1999
- 12 teams
1998
- 10 teams
1997
- 29 teams
1996
- 33 teams
1995
- 32 teams
1994
- 29 teams
1993
- 29 teams
1992
- 31 teams
1991
- 30 teams
1990
- 29 teams
1989
- 25 teams
1988
- 3 teams
