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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1859 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1894 | 1 |
| 1896 | 3 |
| 1901 | 1 |
| 1905 | 3 |
| 1906 | 2 |
| 1907 | 2 |
| 1909 | 3 |
| 1910 | 1 |
| 1911 | 1 |
| 1913 | 2 |
| 1914 | 2 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 2 |
| 1919 | 6 |
| 1920 | 4 |
| 1921 | 7 |
| 1922 | 6 |
| 1923 | 5 |
| 1924 | 5 |
| 1925 | 3 |
| 1926 | 1 |
| 1928 | 2 |
| 1929 | 5 |
| 1930 | 2 |
| 1933 | 1 |
| 1934 | 3 |
| 1935 | 1 |
| 1936 | 4 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 2 |
| 1944 | 1 |
| 1945 | 8 |
| 1946 | 10 |
| 1947 | 16 |
| 1948 | 25 |
| 1949 | 9 |
| 1950 | 32 |
| 1951 | 32 |
| 1952 | 35 |
| 1953 | 48 |
| 1954 | 33 |
| 1955 | 35 |
| 1956 | 34 |
| 1957 | 43 |
| 1958 | 39 |
| 1959 | 32 |
| 1960 | 43 |
| 1961 | 34 |
| 1962 | 46 |
| 1963 | 119 |
| 1964 | 219 |
| 1965 | 171 |
| 1966 | 170 |
| 1967 | 284 |
| 1968 | 348 |
| 1969 | 461 |
| 1970 | 496 |
| 1971 | 571 |
| 1972 | 592 |
| 1973 | 566 |
| 1974 | 532 |
| 1975 | 567 |
| 1976 | 508 |
| 1977 | 488 |
| 1978 | 417 |
| 1979 | 403 |
| 1980 | 414 |
| 1981 | 391 |
| 1982 | 401 |
| 1983 | 379 |
| 1984 | 544 |
| 1985 | 534 |
| 1986 | 471 |
| 1987 | 492 |
| 1988 | 506 |
| 1989 | 559 |
| 1990 | 617 |
| 1991 | 597 |
| 1992 | 638 |
| 1993 | 626 |
| 1994 | 670 |
| 1995 | 671 |
| 1996 | 635 |
| 1997 | 662 |
| 1998 | 680 |
| 1999 | 693 |
| 2000 | 876 |
| 2001 | 956 |
| 2002 | 989 |
| 2003 | 1069 |
| 2004 | 1170 |
| 2005 | 1429 |
| 2006 | 1568 |
| 2007 | 1710 |
| 2008 | 1861 |
| 2009 | 1977 |
| 2010 | 2060 |
| 2011 | 2184 |
| 2012 | 2393 |
| 2013 | 2459 |
| 2014 | 2324 |
| 2015 | 2354 |
| 2016 | 2219 |
| 2017 | 2110 |
| 2018 | 2227 |
| 2019 | 2342 |
| 2020 | 2556 |
| 2021 | 2472 |
| 2022 | 3584 |
| 2023 | 3008 |
| 2024 | 2649 |
| 2025 | 2476 |
| 2026 | 1073 |