| 1950 | |
| 1968/69 to 1969/70 | |
| 1969/70 to 1974/75 | |
| 1970 | |
| 1975/76 to 1976/77 | |
| 1977/78 to 1984/85 | |
| 1978 | |
| 1979 | |
| 1982/83 to 1984/85 | |
| 1986/87 to 1997/98 | |
| 1996 | |
| 1998/99 | |
| 1999/00 | |
| 2001 to 2005 | |
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| 2002 | |
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| 2003 | |
| 2004 | |
| 2004/05 to 2005/06 | |
| 2006 | |
| 2006/07 to 2008/09 | |
| 2010/11 | |
| 2011 to 2013 | |
| 2012 | |
| 2013 to 2016 | |
| 2014 | |
| 2015 | |
| 2016 | |
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| 2017/18 to 2018/19 | |
| 2019/20 | |
| 2020/21 | |