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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1849 | 1 |
| 1858 | 1 |
| 1861 | 2 |
| 1862 | 1 |
| 1871 | 1 |
| 1873 | 3 |
| 1878 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1891 | 3 |
| 1892 | 4 |
| 1893 | 2 |
| 1894 | 1 |
| 1896 | 1 |
| 1897 | 4 |
| 1898 | 3 |
| 1899 | 5 |
| 1900 | 4 |
| 1901 | 3 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 2 |
| 1906 | 1 |
| 1910 | 1 |
| 1911 | 4 |
| 1917 | 3 |
| 1918 | 2 |
| 1919 | 2 |
| 1921 | 3 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1927 | 3 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 1 |
| 1932 | 3 |
| 1933 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 3 |
| 1945 | 1 |
| 1946 | 12 |
| 1947 | 13 |
| 1948 | 8 |
| 1949 | 10 |
| 1950 | 7 |
| 1951 | 18 |
| 1952 | 11 |
| 1953 | 14 |
| 1954 | 10 |
| 1955 | 10 |
| 1956 | 8 |
| 1957 | 9 |
| 1958 | 15 |
| 1959 | 8 |
| 1960 | 10 |
| 1961 | 16 |
| 1962 | 22 |
| 1963 | 15 |
| 1964 | 28 |
| 1965 | 33 |
| 1966 | 24 |
| 1967 | 34 |
| 1968 | 33 |
| 1969 | 31 |
| 1970 | 38 |
| 1971 | 47 |
| 1972 | 45 |
| 1973 | 68 |
| 1974 | 49 |
| 1975 | 57 |
| 1976 | 71 |
| 1977 | 72 |
| 1978 | 62 |
| 1979 | 77 |
| 1980 | 80 |
| 1981 | 64 |
| 1982 | 70 |
| 1983 | 103 |
| 1984 | 97 |
| 1985 | 106 |
| 1986 | 121 |
| 1987 | 129 |
| 1988 | 148 |
| 1989 | 136 |
| 1990 | 128 |
| 1991 | 126 |
| 1992 | 128 |
| 1993 | 121 |
| 1994 | 148 |
| 1995 | 184 |
| 1996 | 169 |
| 1997 | 157 |
| 1998 | 153 |
| 1999 | 177 |
| 2000 | 163 |
| 2001 | 183 |
| 2002 | 187 |
| 2003 | 210 |
| 2004 | 196 |
| 2005 | 211 |
| 2006 | 244 |
| 2007 | 225 |
| 2008 | 259 |
| 2009 | 289 |
| 2010 | 301 |
| 2011 | 337 |
| 2012 | 365 |
| 2013 | 387 |
| 2014 | 373 |
| 2015 | 336 |
| 2016 | 421 |
| 2017 | 418 |
| 2018 | 449 |
| 2019 | 412 |
| 2020 | 492 |
| 2021 | 519 |
| 2022 | 491 |
| 2023 | 448 |
| 2024 | 187 |