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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1971 | 8 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 8 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 12 |
| 1978 | 93 |
| 1979 | 348 |
| 1980 | 406 |
| 1981 | 422 |
| 1982 | 478 |
| 1983 | 495 |
| 1984 | 540 |
| 1985 | 541 |
| 1986 | 585 |
| 1987 | 610 |
| 1988 | 533 |
| 1989 | 545 |
| 1990 | 604 |
| 1991 | 669 |
| 1992 | 659 |
| 1993 | 695 |
| 1994 | 621 |
| 1995 | 578 |
| 1996 | 524 |
| 1997 | 534 |
| 1998 | 587 |
| 1999 | 581 |
| 2000 | 577 |
| 2001 | 640 |
| 2002 | 641 |
| 2003 | 607 |
| 2004 | 656 |
| 2005 | 722 |
| 2006 | 723 |
| 2007 | 826 |
| 2008 | 808 |
| 2009 | 900 |
| 2010 | 904 |
| 2011 | 936 |
| 2012 | 1185 |
| 2013 | 1169 |
| 2014 | 1233 |
| 2015 | 1242 |
| 2016 | 1102 |
| 2017 | 977 |
| 2018 | 953 |
| 2019 | 910 |
| 2020 | 981 |
| 2021 | 1034 |
| 2022 | 173 |
| 2023 | 29 |
| 2024 | 900 |
| 2025 | 631 |