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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1858 | 1 |
| 1860 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1872 | 5 |
| 1873 | 5 |
| 1874 | 4 |
| 1875 | 2 |
| 1877 | 6 |
| 1878 | 9 |
| 1879 | 14 |
| 1880 | 21 |
| 1881 | 7 |
| 1882 | 6 |
| 1883 | 6 |
| 1885 | 2 |
| 1886 | 3 |
| 1887 | 1 |
| 1888 | 1 |
| 1893 | 1 |
| 1896 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1904 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 3 |
| 1912 | 1 |
| 1914 | 2 |
| 1916 | 1 |
| 1918 | 5 |
| 1919 | 5 |
| 1920 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 1 |
| 1928 | 3 |
| 1929 | 3 |
| 1931 | 3 |
| 1932 | 2 |
| 1934 | 2 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 6 |
| 1939 | 5 |
| 1940 | 2 |
| 1942 | 3 |
| 1943 | 4 |
| 1944 | 3 |
| 1945 | 6 |
| 1946 | 13 |
| 1947 | 29 |
| 1948 | 20 |
| 1949 | 19 |
| 1950 | 27 |
| 1951 | 20 |
| 1952 | 27 |
| 1953 | 20 |
| 1954 | 25 |
| 1955 | 24 |
| 1956 | 25 |
| 1957 | 29 |
| 1958 | 25 |
| 1959 | 30 |
| 1960 | 32 |
| 1961 | 23 |
| 1962 | 25 |
| 1963 | 40 |
| 1964 | 35 |
| 1965 | 36 |
| 1966 | 26 |
| 1967 | 38 |
| 1968 | 36 |
| 1969 | 39 |
| 1970 | 45 |
| 1971 | 43 |
| 1972 | 51 |
| 1973 | 64 |
| 1974 | 67 |
| 1975 | 67 |
| 1976 | 78 |
| 1977 | 88 |
| 1978 | 79 |
| 1979 | 79 |
| 1980 | 93 |
| 1981 | 106 |
| 1982 | 87 |
| 1983 | 116 |
| 1984 | 113 |
| 1985 | 106 |
| 1986 | 110 |
| 1987 | 123 |
| 1988 | 141 |
| 1989 | 166 |
| 1990 | 165 |
| 1991 | 147 |
| 1992 | 140 |
| 1993 | 152 |
| 1994 | 163 |
| 1995 | 168 |
| 1996 | 163 |
| 1997 | 174 |
| 1998 | 139 |
| 1999 | 181 |
| 2000 | 185 |
| 2001 | 186 |
| 2002 | 179 |
| 2003 | 195 |
| 2004 | 177 |
| 2005 | 210 |
| 2006 | 224 |
| 2007 | 227 |
| 2008 | 248 |
| 2009 | 273 |
| 2010 | 277 |
| 2011 | 309 |
| 2012 | 310 |
| 2013 | 319 |
| 2014 | 292 |
| 2015 | 361 |
| 2016 | 400 |
| 2017 | 414 |
| 2018 | 426 |
| 2019 | 393 |
| 2020 | 409 |
| 2021 | 397 |
| 2022 | 400 |
| 2023 | 364 |
| 2024 | 147 |