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| 1974 | 1975 | 1976 | 1977 |
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| 1978 | 1979 | 1980 | 1981 |
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| 1982 | 1983 | 1984 | 1985 |
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| 1986 | 1987 | 1988 | 1989 |
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| 1990 | 1991 | 1992 | 1993 |
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| 1993 Service | 1994 | 1995 | 1996 |
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| 1997 | 1998 | 1999 | 2000 |
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| 2001 | 2002 | 2003 | 2005 |
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| 2006 | 2007 |