| 1968 | |
| 1975/76 to 1977/78 | |
| 1978/79 | |
| 1979/80 to 1980/81 | |
| 1981/82 to 1982/83 | |
| 1983/84 to 1984/85 | |
| 1985/86 | |
| 1986/87 | |
| 1987/88 | |
| 1988/89 to 1992/93 | |
| 1989 | |
| 1993/94 | |
| 1994/95 | |
| 1995/96 to 1996/97 | |
| 1997/98 | |
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| 1998/99 | |
| 1999/00 to 2001/02 | |
| 2001/02 to 2002/03 | |
| 2003/04 to 2005/06 | |
| 2004 | |
| 2006/07 to 2007/08 | |
| 2007/08 | |
| 2008/09 to 2009/10 | |
| 2009/10 | |
| 2010/11 | |
| 2011/12 | |
| 2012 | |
| 2012/13 | |
| 2013 | |
| 2013/14 | |
| 2014 | |
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| 2014/15 | |
| 2016/17 | |
| 2018/19 | |
| 2019/20 | |
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