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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1845 | 1 |
| 1846 | 1 |
| 1847 | 3 |
| 1848 | 2 |
| 1858 | 1 |
| 1863 | 2 |
| 1864 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1877 | 4 |
| 1878 | 1 |
| 1879 | 3 |
| 1886 | 2 |
| 1887 | 2 |
| 1888 | 4 |
| 1889 | 2 |
| 1890 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 1 |
| 1901 | 6 |
| 1902 | 2 |
| 1906 | 1 |
| 1915 | 1 |
| 1917 | 5 |
| 1918 | 7 |
| 1919 | 3 |
| 1925 | 4 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 22 |
| 1946 | 85 |
| 1947 | 55 |
| 1948 | 27 |
| 1949 | 19 |
| 1950 | 26 |
| 1951 | 13 |
| 1952 | 21 |
| 1953 | 22 |
| 1954 | 15 |
| 1955 | 22 |
| 1956 | 15 |
| 1957 | 11 |
| 1958 | 10 |
| 1959 | 9 |
| 1960 | 18 |
| 1961 | 12 |
| 1962 | 11 |
| 1963 | 12 |
| 1964 | 29 |
| 1965 | 11 |
| 1966 | 23 |
| 1967 | 20 |
| 1968 | 11 |
| 1969 | 13 |
| 1970 | 12 |
| 1971 | 21 |
| 1972 | 13 |
| 1973 | 20 |
| 1974 | 17 |
| 1975 | 39 |
| 1976 | 39 |
| 1977 | 30 |
| 1978 | 30 |
| 1979 | 44 |
| 1980 | 26 |
| 1981 | 26 |
| 1982 | 34 |
| 1983 | 32 |
| 1984 | 37 |
| 1985 | 49 |
| 1986 | 40 |
| 1987 | 71 |
| 1988 | 109 |
| 1989 | 154 |
| 1990 | 168 |
| 1991 | 199 |
| 1992 | 240 |
| 1993 | 219 |
| 1994 | 174 |
| 1995 | 192 |
| 1996 | 185 |
| 1997 | 184 |
| 1998 | 204 |
| 1999 | 241 |
| 2000 | 252 |
| 2001 | 276 |
| 2002 | 293 |
| 2003 | 320 |
| 2004 | 330 |
| 2005 | 325 |
| 2006 | 359 |
| 2007 | 463 |
| 2008 | 424 |
| 2009 | 484 |
| 2010 | 510 |
| 2011 | 565 |
| 2012 | 595 |
| 2013 | 590 |
| 2014 | 898 |
| 2015 | 988 |
| 2016 | 1092 |
| 2017 | 1151 |
| 2018 | 1226 |
| 2019 | 1269 |
| 2020 | 1427 |
| 2021 | 1458 |
| 2022 | 1245 |
| 2023 | 1134 |
| 2024 | 444 |