2025
- 1 team
2024
- 21 teams
2023
- 8 teams
2022
- 17 teams
2021
- 3 teams
2020
- 7 teams
2019
- 4 teams
2018
- 17 teams
2017
- 3 teams
2016
- 4 teams
2014
- 9 teams
2013
- 2 teams
2012
- 6 teams
2011
- 5 teams
2010
- 10 teams
2009
- 5 teams
2008
- 5 teams
2007
- 7 teams
2006
- 9 teams
2005
- 3 teams
2004
- 10 teams
2003
- 11 teams
2002
- 24 teams
2001
- 19 teams
2000
- 14 teams
1999
- 14 teams
1998
- 19 teams
1997
- 9 teams
1996
- 11 teams
1978
- 1 team
1977
- 1 team
