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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1844 | 1 |
| 1853 | 2 |
| 1854 | 2 |
| 1855 | 4 |
| 1856 | 2 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 3 |
| 1860 | 1 |
| 1861 | 1 |
| 1862 | 2 |
| 1864 | 1 |
| 1865 | 7 |
| 1866 | 3 |
| 1867 | 5 |
| 1868 | 2 |
| 1869 | 8 |
| 1870 | 6 |
| 1871 | 4 |
| 1872 | 14 |
| 1873 | 12 |
| 1874 | 5 |
| 1875 | 18 |
| 1876 | 9 |
| 1877 | 6 |
| 1878 | 22 |
| 1879 | 6 |
| 1880 | 1 |
| 1881 | 3 |
| 1882 | 6 |
| 1883 | 11 |
| 1884 | 4 |
| 1885 | 1 |
| 1886 | 2 |
| 1887 | 1 |
| 1888 | 4 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 1 |
| 1893 | 2 |
| 1894 | 2 |
| 1895 | 3 |
| 1896 | 2 |
| 1902 | 1 |
| 1916 | 1 |
| 1918 | 1 |
| 1921 | 2 |
| 1924 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 4 |
| 1946 | 4 |
| 1947 | 7 |
| 1948 | 3 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 6 |
| 1964 | 3 |
| 1965 | 6 |
| 1966 | 6 |
| 1967 | 9 |
| 1968 | 8 |
| 1969 | 8 |
| 1970 | 11 |
| 1971 | 16 |
| 1972 | 15 |
| 1973 | 14 |
| 1974 | 30 |
| 1975 | 19 |
| 1976 | 29 |
| 1977 | 27 |
| 1978 | 32 |
| 1979 | 25 |
| 1980 | 21 |
| 1981 | 31 |
| 1982 | 23 |
| 1983 | 38 |
| 1984 | 33 |
| 1985 | 37 |
| 1986 | 35 |
| 1987 | 37 |
| 1988 | 37 |
| 1989 | 34 |
| 1990 | 29 |
| 1991 | 43 |
| 1992 | 43 |
| 1993 | 43 |
| 1994 | 42 |
| 1995 | 49 |
| 1996 | 53 |
| 1997 | 59 |
| 1998 | 60 |
| 1999 | 42 |
| 2000 | 46 |
| 2001 | 58 |
| 2002 | 50 |
| 2003 | 62 |
| 2004 | 46 |
| 2005 | 64 |
| 2006 | 69 |
| 2007 | 91 |
| 2008 | 88 |
| 2009 | 73 |
| 2010 | 89 |
| 2011 | 85 |
| 2012 | 84 |
| 2013 | 91 |
| 2014 | 96 |
| 2015 | 99 |
| 2016 | 90 |
| 2017 | 100 |
| 2018 | 113 |
| 2019 | 123 |
| 2020 | 152 |
| 2021 | 147 |
| 2022 | 128 |
| 2023 | 37 |