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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 6 |
| 1955 | 6 |
| 1956 | 12 |
| 1957 | 10 |
| 1958 | 3 |
| 1963 | 1 |
| 1964 | 7 |
| 1965 | 107 |
| 1966 | 208 |
| 1967 | 247 |
| 1968 | 248 |
| 1969 | 278 |
| 1970 | 237 |
| 1971 | 301 |
| 1972 | 428 |
| 1973 | 427 |
| 1974 | 406 |
| 1975 | 438 |
| 1976 | 419 |
| 1977 | 397 |
| 1978 | 358 |
| 1979 | 367 |
| 1980 | 380 |
| 1981 | 371 |
| 1982 | 404 |
| 1983 | 412 |
| 1984 | 477 |
| 1985 | 524 |
| 1986 | 522 |
| 1987 | 544 |
| 1988 | 456 |
| 1989 | 522 |
| 1990 | 588 |
| 1991 | 608 |
| 1992 | 620 |
| 1993 | 711 |
| 1994 | 740 |
| 1995 | 670 |
| 1996 | 663 |
| 1997 | 690 |
| 1998 | 587 |
| 1999 | 626 |
| 2000 | 631 |
| 2001 | 609 |
| 2002 | 622 |
| 2003 | 614 |
| 2004 | 616 |
| 2005 | 581 |
| 2006 | 588 |
| 2007 | 580 |
| 2008 | 557 |
| 2009 | 605 |
| 2010 | 587 |
| 2011 | 657 |
| 2012 | 669 |
| 2013 | 599 |
| 2014 | 619 |
| 2015 | 623 |
| 2016 | 590 |
| 2017 | 611 |
| 2018 | 569 |
| 2019 | 623 |
| 2020 | 562 |
| 2021 | 427 |
| 2022 | 388 |
| 2023 | 274 |
| 2024 | 465 |
| 2025 | 331 |
| 2026 | 1 |