2024
- 20 teams
2023
- 18 teams
2022
- 19 teams
2021
- 25 teams
2020
- 13 teams
2019
- 14 teams
2018
- 9 teams
2017
- 17 teams
2016
- 22 teams
2015
- 29 teams
2014
- 25 teams
2013
- 30 teams
2012
- 19 teams
2011
- 16 teams
2010
- 15 teams
2009
- 14 teams
2008
- 15 teams
2007
- 7 teams
2006
- 1 team
2005
- 3 teams
2004
- 6 teams
2003
- 7 teams
2002
- 4 teams
2001
- 1 team
2000
- 1 team
