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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1866 | 2 |
| 1867 | 5 |
| 1868 | 3 |
| 1869 | 4 |
| 1870 | 1 |
| 1875 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1886 | 1 |
| 1888 | 2 |
| 1889 | 2 |
| 1890 | 2 |
| 1894 | 1 |
| 1898 | 3 |
| 1899 | 4 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1907 | 3 |
| 1908 | 3 |
| 1910 | 3 |
| 1911 | 2 |
| 1913 | 2 |
| 1914 | 3 |
| 1915 | 3 |
| 1916 | 5 |
| 1917 | 4 |
| 1918 | 4 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 7 |
| 1922 | 5 |
| 1923 | 3 |
| 1924 | 3 |
| 1926 | 5 |
| 1927 | 2 |
| 1928 | 6 |
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 5 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 6 |
| 1935 | 4 |
| 1936 | 4 |
| 1937 | 7 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 3 |
| 1942 | 7 |
| 1943 | 4 |
| 1944 | 3 |
| 1945 | 2 |
| 1946 | 20 |
| 1947 | 28 |
| 1948 | 30 |
| 1949 | 23 |
| 1950 | 36 |
| 1951 | 42 |
| 1952 | 35 |
| 1953 | 36 |
| 1954 | 39 |
| 1955 | 32 |
| 1956 | 31 |
| 1957 | 34 |
| 1958 | 50 |
| 1959 | 46 |
| 1960 | 44 |
| 1961 | 38 |
| 1962 | 40 |
| 1963 | 58 |
| 1964 | 79 |
| 1965 | 70 |
| 1966 | 71 |
| 1967 | 59 |
| 1968 | 76 |
| 1969 | 78 |
| 1970 | 84 |
| 1971 | 86 |
| 1972 | 89 |
| 1973 | 87 |
| 1974 | 100 |
| 1975 | 119 |
| 1976 | 122 |
| 1977 | 136 |
| 1978 | 134 |
| 1979 | 159 |
| 1980 | 165 |
| 1981 | 167 |
| 1982 | 158 |
| 1983 | 155 |
| 1984 | 187 |
| 1985 | 199 |
| 1986 | 203 |
| 1987 | 242 |
| 1988 | 229 |
| 1989 | 237 |
| 1990 | 233 |
| 1991 | 273 |
| 1992 | 290 |
| 1993 | 239 |
| 1994 | 266 |
| 1995 | 285 |
| 1996 | 272 |
| 1997 | 221 |
| 1998 | 272 |
| 1999 | 284 |
| 2000 | 293 |
| 2001 | 332 |
| 2002 | 314 |
| 2003 | 306 |
| 2004 | 359 |
| 2005 | 383 |
| 2006 | 411 |
| 2007 | 442 |
| 2008 | 493 |
| 2009 | 505 |
| 2010 | 498 |
| 2011 | 571 |
| 2012 | 667 |
| 2013 | 592 |
| 2014 | 648 |
| 2015 | 685 |
| 2016 | 666 |
| 2017 | 636 |
| 2018 | 700 |
| 2019 | 657 |
| 2020 | 827 |
| 2021 | 914 |
| 2022 | 861 |
| 2023 | 752 |
| 2024 | 368 |