| 1979–80 | 26 | ||||
| 1980–81 | 19 | ||||
| 1981–82 | 21 | ||||
| 1982–83 | 21 | ||||
| 1983–84 | 28 | ||||
| 1984–85 | 27 | ||||
| 1985–86 | 15 | ||||
| 1986–87 | 32 | |
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| 1987–88 | 39 | |
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| 1988–89 | 31 | |
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| 1989–90 | 26 | ||||
| 1990–91 | 32 | ||||
| 1991–92 | 40 | |
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| 1992–93 | 45 | ||||
| 1993–94 | 41 | |
|||
| 1994–95 | 33* | |
|
|
|
| 1995–96 | 59 | |
|
|
|
| 1996–97 | 31 | |
|
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| 1997–98 | 44 | |
|
||
| 1998–99 | 41 | |
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| 1999–00 | 44 | ||||
| 2000–01 | 39 | |
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| 2001–02 | 41 | |
|
|
|
| 2002–03 | 41 | |
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| 2003–04 | 41 | |
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||
| 2005–06 | 51 | |
|
||
| 2006–07 | 45 | |
|
||
| 2007–08 | 47 | |
|
|
|
| 2008–09 | 42 | |
|
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| 2009–10 | 33 | ||||
| 2010–11 | 34 | |
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| 2011–12 | 36 | ||||
| 2012–13 | 20* | ||||
| 2013–14 | 30 | ||||
| 2014–15 | 32 | ||||
| 2015–16 | 30 | ||||
| 2016–17 | 17 | ||||
| 2017–18 | 22 | ||||
| 2018–19 | 20 | ||||
| 2019–20 | 13 | ||||
| 2020–21 | 16* | ||||
| 2021–22 | 21 |