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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 10 |
| 1958 | 1 |
| 1959 | 13 |
| 1961 | 1 |
| 1962 | 5 |
| 1964 | 1 |
| 1965 | 1 |
| 1975 | 1 |
| 1979 | 1 |
| 1985 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1993 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 6 |
| 2005 | 8 |
| 2006 | 11 |
| 2007 | 23 |
| 2008 | 48 |
| 2009 | 40 |
| 2010 | 15 |
| 2011 | 28 |
| 2012 | 41 |
| 2013 | 40 |
| 2014 | 45 |
| 2015 | 44 |
| 2016 | 44 |
| 2017 | 34 |
| 2018 | 27 |
| 2019 | 33 |
| 2020 | 37 |
| 2021 | 52 |
| 2022 | 55 |
| 2023 | 33 |
| 2024 | 17 |