| 1947 | 1948 | 1949 | 1950 | 1951 |
| 1952 | 1953 | 1954 | 1955 | 1956 |
| 1957 | 1958 | 1959 | 1960 | 1961 |
| 1962 | 1963 | 1964 | 1965 | 1966 |
| 1967 | 1968 | 1969 | 1970 | 1971 |
| 1972 | 1973 | 1974 | 1975 | 1976 |
| 1977 | 1978 | 1979 | 1980 | 1981 |
| 1982 | 1983 | 1984 | 1985 | 1986 |
| 1987 | 1988 | 1989 | 1990 | 1991 |
| 1992 | 1993 | 1994 | 1995 | 1996 |
| 1997 | 1998 | 1999 | 2000 | 2001 |
| 2002 | 2003 | 2004 | 2005 | 2006 |
| 2007 | 2008 | 2009 | 2010 | 2011 |
| 2012 | 2013 | 2014 | 2015 | 2016 |
| 2017 | 2018 |