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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 3 |
| 1849 | 2 |
| 1850 | 2 |
| 1851 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 4 |
| 1856 | 5 |
| 1857 | 4 |
| 1858 | 6 |
| 1859 | 13 |
| 1860 | 6 |
| 1861 | 3 |
| 1862 | 11 |
| 1863 | 2 |
| 1864 | 3 |
| 1865 | 1 |
| 1866 | 3 |
| 1867 | 2 |
| 1868 | 3 |
| 1874 | 2 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 4 |
| 1887 | 3 |
| 1889 | 1 |
| 1890 | 2 |
| 1892 | 1 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1898 | 3 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 3 |
| 1977 | 1 |
| 1984 | 3 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 2 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 3 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 3 |
| 2001 | 4 |
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 1 |
| 2008 | 2 |
| 2009 | 3 |
| 2010 | 8 |
| 2011 | 8 |
| 2012 | 14 |
| 2013 | 13 |
| 2014 | 11 |
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 2 |