1950.....6 teams.....108 players
1951.....10 teams.....160 players
1952.....10 teams.....160 players
1953.....14 teams....224 players
1954.....14 teams....224 players
1955.....14 teams.....224 players
1956.....14 teams.....224 players
1957.....14 teams......224 players
1958.....14 teams.....224 players
1959.....14 teams.....224 players
1960.....15 teams.....240 players
1961......15 teams.....240 players
1962.....15 teams......240 players
1963.....13 teams......208 players
1964.....13 teams.....208 players
1965.....14 teams.....224 players
1966.....14 teams.....224 players
1967.....14 teams......224 players
1968.....16 teams......256 players
1969.....16 teams......256 players
1970.....16 teams......256 players
1971......17 teams.......272 players
1972.....17 teams.......272 players
1973.....17 teams.......272 players
1974.....18 teams.......288 players
1975.....21 teams.......336 players
1976.....20 teams......320 players
1977.....21 teams........336 players
1978.....20 teams......320 players
1979.....22 teams.......308 players
1980.....22 teams.......308 players
1981......18 teams........244 players
1982.....20 teams.......253 players
1983.....18 teams.........234 players
1984.....16 teams.........193 players
1985.....14 teams.........195 players
1986.....14 teams........185 players
1987.....14 teams........215 players
1988.....19 teams.......267 players
1989.....22 teams.......303 players
1990.....29 teams.......378 players
1991.....36 teams.......484 players
1992.....39 teams........511 players
1993.....43 teams.......567 players
1994.....46 teams......602 players
1995.....45 teams.......607 players
1996.....45 teams.......547 players
1997.....46 teams........574 players
1998.....46 teams......569 players
1999.....47 teams.......583 players
2000.....48 teams.....595 players
2001......47 teams......557 players
2002.....45 teams......533 players
2003.....42 teams......501 players
2004.....40 teams.....478 players
2005.....38 teams......453 players
2006.....41 teams.......481 players
2007.....38 teams......448 players
2008.....34 teams......408 players
2009.....31 teams........371 players
2010.....32 teams........361 players
2011.....30 teams.........316 players
2012.....31 teams.........309 players
2013.....22 teams.........252 players
2014.....21 teams..........270 players
2015.....24 teams.........294 players
2016.....24 teams.........297 players
2017......19 teams...........251 players
2018......19 teams..........228 players
2019.....20 teams..........244 players
2020.....19 teams..........193 players
2021......20 teams..........216 players
2022....21 teams.............221 players
2023.....21 teams............234 players
2024.....19 teams............211 players