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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 2 |
| 1955 | 2 |
| 1956 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 8 |
| 1964 | 21 |
| 1965 | 8 |
| 1970 | 1 |
| 1971 | 1 |
| 1978 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1991 | 4 |
| 1992 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2002 | 2 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2011 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2024 | 0 |