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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1838 | 2 |
| 1884 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 2 |
| 1967 | 1 |
| 1974 | 2 |
| 1975 | 2 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 3 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 5 |
| 2001 | 2 |
| 2003 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 5 |
| 2011 | 19 |
| 2012 | 24 |
| 2013 | 24 |
| 2014 | 53 |
| 2015 | 57 |
| 2016 | 110 |
| 2017 | 68 |
| 2018 | 75 |
| 2019 | 61 |
| 2020 | 46 |
| 2021 | 31 |
| 2022 | 40 |
| 2023 | 26 |
| 2024 | 29 |
| 2025 | 0 |