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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1861 | 2 |
| 1865 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1874 | 1 |
| 1876 | 2 |
| 1878 | 3 |
| 1879 | 2 |
| 1883 | 1 |
| 1885 | 3 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 2 |
| 1902 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1910 | 2 |
| 1911 | 1 |
| 1912 | 1 |
| 1914 | 4 |
| 1915 | 1 |
| 1916 | 5 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 3 |
| 1920 | 2 |
| 1921 | 4 |
| 1922 | 7 |
| 1923 | 12 |
| 1924 | 4 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 3 |
| 1931 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1943 | 1 |
| 1945 | 2 |
| 1946 | 26 |
| 1947 | 17 |
| 1948 | 20 |
| 1949 | 16 |
| 1950 | 47 |
| 1951 | 64 |
| 1952 | 37 |
| 1953 | 41 |
| 1954 | 43 |
| 1955 | 50 |
| 1956 | 40 |
| 1957 | 33 |
| 1958 | 40 |
| 1959 | 41 |
| 1960 | 20 |
| 1961 | 29 |
| 1962 | 40 |
| 1963 | 34 |
| 1964 | 35 |
| 1965 | 85 |
| 1966 | 105 |
| 1967 | 134 |
| 1968 | 149 |
| 1969 | 171 |
| 1970 | 148 |
| 1971 | 171 |
| 1972 | 148 |
| 1973 | 170 |
| 1974 | 183 |
| 1975 | 314 |
| 1976 | 291 |
| 1977 | 333 |
| 1978 | 415 |
| 1979 | 446 |
| 1980 | 417 |
| 1981 | 409 |
| 1982 | 410 |
| 1983 | 439 |
| 1984 | 434 |
| 1985 | 437 |
| 1986 | 386 |
| 1987 | 484 |
| 1988 | 572 |
| 1989 | 616 |
| 1990 | 652 |
| 1991 | 710 |
| 1992 | 735 |
| 1993 | 762 |
| 1994 | 883 |
| 1995 | 911 |
| 1996 | 946 |
| 1997 | 1167 |
| 1998 | 1198 |
| 1999 | 1394 |
| 2000 | 1359 |
| 2001 | 1557 |
| 2002 | 1590 |
| 2003 | 1807 |
| 2004 | 1887 |
| 2005 | 2188 |
| 2006 | 2316 |
| 2007 | 2419 |
| 2008 | 2544 |
| 2009 | 2693 |
| 2010 | 3085 |
| 2011 | 3444 |
| 2012 | 3721 |
| 2013 | 4137 |
| 2014 | 4410 |
| 2015 | 4749 |
| 2016 | 5176 |
| 2017 | 5294 |
| 2018 | 5638 |
| 2019 | 5977 |
| 2020 | 6804 |
| 2021 | 7642 |
| 2022 | 8172 |
| 2023 | 3628 |