2023
- 34 teams
2022
- 51 teams
2021
- 32 teams
2020
- 15 teams
2019
- 19 teams
2018
- 15 teams
2017
- 58 teams
2016
- 55 teams
2015
- 53 teams
2014
- 57 teams
2013
- 51 teams
2012
- 51 teams
2011
- 44 teams
2010
- 40 teams
2009
- 41 teams
2008
- 41 teams
2007
- 39 teams
2006
- 37 teams
2005
- 5 teams
2004
- 4 teams
2003
- 3 teams
2002
- 4 teams
2001
- 3 teams
2000
- 3 teams
1999
- 8 teams
1998
- 6 teams
1997
- 5 teams
1996
- 5 teams
1995
- 3 teams
1994
- 2 teams
1993
- 3 teams
1992
- 2 teams
1989
- 1 team
1987
- 1 team
1985
- 1 team
1979
- 1 team
1978
- 1 team
1976
- 1 team
1975
- 1 team