Statistics
| Year | Design | Art Direction | Direction |
|---|---|---|---|
| 1966 | 1 | - | - |
| 1971 | 2 | - | - |
| 1973 | 1 | - | - |
| 1974 | 2 | - | - |
| 1975 | 1 | - | - |
| 1976 | - | 1 | - |
| 1977 | 1 | - | - |
| 1978 | 3 | - | - |
| 1979 | - | - | 2 |
| 1980 | 1 | 1 | - |
| 1981 | 1 | 1 | 1 |
| 1982 | 3 | - | 1 |
| 1983 | 2 | - | - |
| 1984 | 2 | - | - |
| 1986 | 2 | 1 | - |
| 1987 | 4 | - | - |
| 1989 | 1 | 1 | - |
| 1990 | 2 | - | - |
| 1991 | 1 | 1 | - |
| 1993 | - | 1 | - |
| 1994 | - | 1 | - |
| 1995 | - | 2 | - |
| 1996 | - | 2 | - |
| 1997 | - | 2 | - |
| 1998 | - | 2 | - |
| 1999 | - | 1 | - |
| 2001 | - | 1 | - |
| 2004 | - | 2 | - |
| 2005 | - | 2 | - |
| 2007 | - | 1 | - |
| 2009 | - | 1 | - |
| 2010 | - | 1 | - |
| 2012 | - | 2 | - |