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| 1976 | 1978 | 1979a | 1979b | 1980 |
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| 1981 | 1984 | 1989 | 1991a | 1991b |
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| 1992 | 1994 | 1995 | 1996a | 1996b |
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| 2001 | 2003a | 2003b | 2005 | 2006 |
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| 2007 | 2009 | 2010 | 2017 | |