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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1970 | 1 |
| 1972 | 3 |
| 1975 | 7 |
| 1976 | 16 |
| 1977 | 10 |
| 1978 | 16 |
| 1979 | 20 |
| 1980 | 27 |
| 1981 | 12 |
| 1982 | 29 |
| 1983 | 16 |
| 1984 | 20 |
| 1985 | 19 |
| 1986 | 23 |
| 1987 | 14 |
| 1988 | 17 |
| 1989 | 26 |
| 1990 | 38 |
| 1991 | 39 |
| 1992 | 56 |
| 1993 | 49 |
| 1994 | 67 |
| 1995 | 232 |
| 1996 | 525 |
| 1997 | 550 |
| 1998 | 541 |
| 1999 | 585 |
| 2000 | 563 |
| 2001 | 621 |
| 2002 | 635 |
| 2003 | 598 |
| 2004 | 667 |
| 2005 | 685 |
| 2006 | 712 |
| 2007 | 651 |
| 2008 | 654 |
| 2009 | 763 |
| 2010 | 760 |
| 2011 | 683 |
| 2012 | 761 |
| 2013 | 773 |
| 2014 | 742 |
| 2015 | 691 |
| 2016 | 606 |
| 2017 | 546 |
| 2018 | 493 |
| 2019 | 508 |
| 2020 | 482 |
| 2021 | 401 |
| 2022 | 117 |
| 2023 | 67 |
| 2024 | 350 |
| 2025 | 256 |