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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1879 | 1 |
| 1883 | 4 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 4 |
| 1892 | 1 |
| 1895 | 2 |
| 1896 | 1 |
| 1898 | 2 |
| 1906 | 1 |
| 1913 | 2 |
| 1917 | 1 |
| 1919 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1926 | 2 |
| 1927 | 2 |
| 1929 | 1 |
| 1931 | 1 |
| 1936 | 2 |
| 1938 | 1 |
| 1944 | 1 |
| 1946 | 4 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 8 |
| 1950 | 7 |
| 1951 | 7 |
| 1952 | 8 |
| 1953 | 4 |
| 1954 | 9 |
| 1955 | 4 |
| 1956 | 6 |
| 1957 | 7 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 6 |
| 1961 | 3 |
| 1962 | 9 |
| 1963 | 10 |
| 1964 | 12 |
| 1965 | 8 |
| 1966 | 6 |
| 1967 | 15 |
| 1968 | 14 |
| 1969 | 21 |
| 1970 | 35 |
| 1971 | 13 |
| 1972 | 23 |
| 1973 | 17 |
| 1974 | 22 |
| 1975 | 12 |
| 1976 | 16 |
| 1977 | 20 |
| 1978 | 19 |
| 1979 | 22 |
| 1980 | 24 |
| 1981 | 26 |
| 1982 | 14 |
| 1983 | 30 |
| 1984 | 18 |
| 1985 | 30 |
| 1986 | 40 |
| 1987 | 180 |
| 1988 | 411 |
| 1989 | 429 |
| 1990 | 457 |
| 1991 | 461 |
| 1992 | 454 |
| 1993 | 445 |
| 1994 | 458 |
| 1995 | 436 |
| 1996 | 425 |
| 1997 | 470 |
| 1998 | 431 |
| 1999 | 434 |
| 2000 | 493 |
| 2001 | 525 |
| 2002 | 574 |
| 2003 | 602 |
| 2004 | 614 |
| 2005 | 601 |
| 2006 | 664 |
| 2007 | 676 |
| 2008 | 710 |
| 2009 | 781 |
| 2010 | 842 |
| 2011 | 1022 |
| 2012 | 1024 |
| 2013 | 1313 |
| 2014 | 2251 |
| 2015 | 2624 |
| 2016 | 2993 |
| 2017 | 3295 |
| 2018 | 3480 |
| 2019 | 3648 |
| 2020 | 4250 |
| 2021 | 4523 |
| 2022 | 4356 |
| 2023 | 4336 |
| 2024 | 4656 |
| 2025 | 4507 |
| 2026 | 2840 |