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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1879 | 1 |
| 1913 | 2 |
| 1919 | 2 |
| 1920 | 5 |
| 1921 | 1 |
| 1922 | 4 |
| 1923 | 1 |
| 1928 | 1 |
| 1931 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 5 |
| 1952 | 1 |
| 1963 | 1 |
| 1965 | 1 |
| 1966 | 12 |
| 1967 | 21 |
| 1968 | 31 |
| 1969 | 42 |
| 1970 | 44 |
| 1971 | 66 |
| 1972 | 74 |
| 1973 | 113 |
| 1974 | 112 |
| 1975 | 392 |
| 1976 | 428 |
| 1977 | 381 |
| 1978 | 381 |
| 1979 | 392 |
| 1980 | 456 |
| 1981 | 452 |
| 1982 | 466 |
| 1983 | 562 |
| 1984 | 552 |
| 1985 | 523 |
| 1986 | 588 |
| 1987 | 566 |
| 1988 | 578 |
| 1989 | 696 |
| 1990 | 653 |
| 1991 | 615 |
| 1992 | 606 |
| 1993 | 546 |
| 1994 | 453 |
| 1995 | 481 |
| 1996 | 470 |
| 1997 | 437 |
| 1998 | 405 |
| 1999 | 454 |
| 2000 | 400 |
| 2001 | 401 |
| 2002 | 406 |
| 2003 | 363 |
| 2004 | 378 |
| 2005 | 414 |
| 2006 | 422 |
| 2007 | 432 |
| 2008 | 375 |
| 2009 | 368 |
| 2010 | 397 |
| 2011 | 446 |
| 2012 | 480 |
| 2013 | 579 |
| 2014 | 610 |
| 2015 | 551 |
| 2016 | 540 |
| 2017 | 597 |
| 2018 | 587 |
| 2019 | 631 |
| 2020 | 667 |
| 2021 | 787 |
| 2022 | 804 |
| 2023 | 780 |
| 2024 | 781 |
| 2025 | 683 |