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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1849 | 1 |
| 1851 | 2 |
| 1855 | 3 |
| 1858 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1886 | 1 |
| 1888 | 1 |
| 1891 | 1 |
| 1897 | 2 |
| 1901 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1907 | 1 |
| 1949 | 1 |
| 1959 | 1 |
| 1966 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 2 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 3 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 9 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 4 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 10 |
| 2022 | 5 |
| 2023 | 6 |
| 2025 | 1 |