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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1966 | 2 |
| 1968 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 5 |
| 2006 | 18 |
| 2007 | 14 |
| 2008 | 15 |
| 2009 | 7 |
| 2011 | 2 |
| 2013 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 2 |
| 2024 | 2 |