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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1861 | 5 |
| 1862 | 16 |
| 1863 | 19 |
| 1864 | 15 |
| 1865 | 6 |
| 1866 | 9 |
| 1867 | 3 |
| 1868 | 9 |
| 1869 | 7 |
| 1870 | 6 |
| 1871 | 6 |
| 1872 | 1 |
| 1873 | 2 |
| 1874 | 4 |
| 1875 | 6 |
| 1876 | 3 |
| 1877 | 3 |
| 1878 | 4 |
| 1879 | 1 |
| 1917 | 1 |
| 1922 | 2 |
| 1928 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1934 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1970 | 2 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 3 |
| 1989 | 7 |
| 1990 | 12 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 5 |
| 1994 | 6 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 10 |
| 1998 | 8 |
| 1999 | 12 |
| 2000 | 8 |
| 2001 | 16 |
| 2002 | 18 |
| 2003 | 22 |
| 2004 | 12 |
| 2005 | 29 |
| 2006 | 31 |
| 2007 | 36 |
| 2008 | 37 |
| 2009 | 31 |
| 2010 | 34 |
| 2011 | 29 |
| 2012 | 21 |
| 2013 | 28 |
| 2014 | 34 |
| 2015 | 27 |
| 2016 | 48 |
| 2017 | 50 |
| 2018 | 58 |
| 2019 | 50 |
| 2020 | 42 |
| 2021 | 32 |
| 2022 | 33 |
| 2023 | 29 |
| 2024 | 12 |