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| 2005 | 1 | 2 | 3 | 2004 | 1 | 2 | 3 | |||
| 2003 | 1 | 2 | 3 | 2002 | 1 | 2 | 3 | |||
| 2001 | 1 | 2 | 3 | 2000 | 1 | 2 | 3 | |||
| 1999 | 1 | 2-3 | 1998 | 1-2 | 3 | |||||
| 1997 | 1 | 2 | 1996 | 1-2 | ||||||
| 1995 | 1 | 2 | 1994 | 1-2 | ||||||
| 1993 | 1-2 | 1992 | 1 | 2-3 | ||||||
| 1991 | 1 | 2 | 1990 | 1 | 2 | 3 | 4 | |||
| 1989 | 1 | 2 | 3 | 4 | 1988 | 1 | 2 | 3 | 4 | |
| 1987 | 1 | 2 | 3 | 4 | 1986 | 1 | 2 | 3 | 4 | |
| 1985 | 1 | 2 | 3 | 4 | 1984 | 1 | 2 | 3 | 4 | |
| 1983 | 1 | 2-3 | 4 | Additional issue | 1982 | 1 | 2 | 3 | 4 | |
| 1981 | 1 | 2 | 3 | 4 | 1980 | 1 | 2 | 3 | 4 | |
| 1979 | 1 | 2 | 3 | 4 | 1978 | 1 | 2 | 3 | 4 | |
| 1977 | 1 | 2 | 3 | 4 | 1976 | 1 | 2 | 3 | 4 | |
| 1975 | 1 | 2 | 3 | 4 | 1974 | 1 | 2 | 3 | 4 | |
| 1973 | 1 | 2 | 3 | 4 | 1972 | 1 | 2 | 3 | 4 | |
| 1971 | 1 | 2 | 3 | 4 | 1970 | 1 | 2 | 3 | 4 | |
| 1969 | 1 | 2 | 3 | 4 | 1968 | 1 | 2 | 3 | 4 Additional issue |
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| 1967 | 1 | 2-3 | 4 | 1966 | 1 | 2 | 3 | 4 | ||
| 1965 | 1 | 2 | 3 | 4 | 1964 | 1 | 2 | 3 | 4 | |
| 1963 | 1 | 2 | 3 | 4 | 1962 | 1 | 2 | 3 | 4 | |
| 1961 | 1 | 2 | 3-4 | 1960 | 1 | 2 | 3 | 4 | ||
| 1959 | 1 | 2-3 | 4 | 1958 | 1 | 2 | 3 | |||
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