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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1832 | 1 |
| 1842 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1857 | 1 |
| 1861 | 3 |
| 1863 | 3 |
| 1864 | 1 |
| 1865 | 3 |
| 1867 | 2 |
| 1868 | 3 |
| 1869 | 1 |
| 1871 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1877 | 4 |
| 1878 | 11 |
| 1879 | 2 |
| 1880 | 3 |
| 1881 | 3 |
| 1882 | 3 |
| 1883 | 2 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 1 |
| 1890 | 2 |
| 1896 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1963 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 4 |
| 1971 | 1 |
| 1973 | 2 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 2 |
| 1980 | 4 |
| 1981 | 1 |
| 1982 | 7 |
| 1983 | 5 |
| 1984 | 8 |
| 1985 | 11 |
| 1986 | 15 |
| 1987 | 16 |
| 1988 | 11 |
| 1989 | 7 |
| 1990 | 19 |
| 1991 | 14 |
| 1992 | 25 |
| 1993 | 13 |
| 1994 | 23 |
| 1995 | 21 |
| 1996 | 33 |
| 1997 | 37 |
| 1998 | 22 |
| 1999 | 20 |
| 2000 | 14 |
| 2001 | 20 |
| 2002 | 15 |
| 2003 | 21 |
| 2004 | 17 |
| 2005 | 8 |
| 2006 | 20 |
| 2007 | 24 |
| 2008 | 29 |
| 2009 | 23 |
| 2010 | 28 |
| 2011 | 27 |
| 2012 | 36 |
| 2013 | 36 |
| 2014 | 36 |
| 2015 | 29 |
| 2016 | 29 |
| 2017 | 35 |
| 2018 | 34 |
| 2019 | 24 |
| 2020 | 21 |
| 2021 | 37 |
| 2022 | 36 |
| 2023 | 27 |
| 2024 | 41 |
| 2025 | 27 |