| 1964 | 1965 | 1966 | 1967 | 1968 | 1969 |
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| 1972 | 1974 | 1975 | 1977 | 1978 | 1979 |
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| 1980 | 1981 | 1982 | 1983 | 1984(a) | 1984(b) |
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| 1985 | 1986(a) | 1986(b) | 1987 | 1988 | 1989(a) |
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| 1989(b) | 1990 | 1991 | 1992 | 1993(a) | 1993(b) |
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| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 |
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| 2000 | 2001 | 2002 | 2004 | 2005 | 2006 |
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