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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1962 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1968 | 4 |
| 1969 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1984 | 2 |
| 1988 | 1 |
| 1994 | 1 |
| 1996 | 3 |
| 2002 | 3 |
| 2003 | 4 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 2 |
| 2007 | 6 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 7 |
| 2011 | 9 |
| 2012 | 9 |
| 2013 | 19 |
| 2014 | 21 |
| 2015 | 20 |
| 2016 | 27 |
| 2017 | 27 |
| 2018 | 35 |
| 2019 | 44 |
| 2020 | 53 |
| 2021 | 43 |
| 2022 | 39 |
| 2023 | 34 |
| 2024 | 1 |