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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 3 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 8 |
| 1964 | 15 |
| 1965 | 5 |
| 1966 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1981 | 1 |
| 1997 | 2 |
| 1998 | 6 |
| 2000 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2009 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2024 | 0 |