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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1953 | 4 |
| 1954 | 1 |
| 1960 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1982 | 2 |
| 1985 | 1 |
| 1987 | 2 |
| 1989 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 5 |
| 2024 | 3 |