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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1961 | 4 |
| 1962 | 6 |
| 1963 | 9 |
| 1964 | 8 |
| 1965 | 7 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 11 |
| 1978 | 161 |
| 1979 | 367 |
| 1980 | 452 |
| 1981 | 491 |
| 1982 | 470 |
| 1983 | 503 |
| 1984 | 613 |
| 1985 | 660 |
| 1986 | 633 |
| 1987 | 610 |
| 1988 | 733 |
| 1989 | 565 |
| 1990 | 601 |
| 1991 | 644 |
| 1992 | 676 |
| 1993 | 666 |
| 1994 | 640 |
| 1995 | 579 |
| 1996 | 556 |
| 1997 | 690 |
| 1998 | 570 |
| 1999 | 462 |
| 2000 | 491 |
| 2001 | 518 |
| 2002 | 477 |
| 2003 | 644 |
| 2004 | 503 |
| 2005 | 503 |
| 2006 | 538 |
| 2007 | 549 |
| 2008 | 491 |
| 2009 | 496 |
| 2010 | 483 |
| 2011 | 445 |
| 2012 | 469 |
| 2013 | 433 |
| 2014 | 403 |
| 2015 | 412 |
| 2016 | 384 |
| 2017 | 320 |
| 2018 | 353 |
| 2019 | 323 |
| 2020 | 296 |
| 2021 | 251 |
| 2022 | 208 |
| 2023 | 148 |
| 2024 | 87 |