Statistics
| Year | Singing | |
|---|---|---|
| 1971 | 1 | - |
| 1973 | 1 | - |
| 1974 | 1 | - |
| 1975 | 1 | - |
| 1976 | 4 | - |
| 1979 | 1 | - |
| 1983 | 1 | - |
| 1985 | 1 | - |
| 1986 | 1 | - |
| 1988 | 1 | - |
| 1989 | 1 | - |
| 2006 | 1 | - |
| 2007 | 1 | - |
| 2009 | 1 | - |
| 2010 | 1 | - |
| Year | Singing | |
|---|---|---|
| 1971 | 1 | - |
| 1973 | 1 | - |
| 1974 | 1 | - |
| 1975 | 1 | - |
| 1976 | 4 | - |
| 1979 | 1 | - |
| 1983 | 1 | - |
| 1985 | 1 | - |
| 1986 | 1 | - |
| 1988 | 1 | - |
| 1989 | 1 | - |
| 2006 | 1 | - |
| 2007 | 1 | - |
| 2009 | 1 | - |
| 2010 | 1 | - |