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| 1971 | 1975 | 1976a | 1976b |
1977 |
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| 1978 | 1979a | 1979b | 1980* | 1981 |
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| 1982a | 1982b | 1984a | 1984b | 1984c |
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| 1988 | 1992 | 1993 | 1994 | 1995 |
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| 1997 | 1998 | 1999 | 2000 | 2001a |
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| 2001b | 2004 |
2005a | 2005b | 2006 |
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| 2007 | 2008 | 2013 | 2016 |
2018 |
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| 2019 | ||||