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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1864 | 2 |
| 1865 | 2 |
| 1866 | 1 |
| 1867 | 2 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 2 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 2 |
| 1875 | 2 |
| 1876 | 2 |
| 1877 | 2 |
| 1879 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1888 | 1 |
| 1900 | 1 |
| 1909 | 2 |
| 1911 | 5 |
| 1912 | 3 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 2 |
| 1953 | 1 |
| 1965 | 1 |
| 1968 | 2 |
| 1970 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 1 |
| 1987 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1998 | 3 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 3 |
| 2008 | 2 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 1 |