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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 90 |
| 1973 | 102 |
| 1974 | 128 |
| 1975 | 214 |
| 1976 | 156 |
| 1977 | 97 |
| 1978 | 174 |
| 1979 | 172 |
| 1980 | 186 |
| 1981 | 179 |
| 1982 | 242 |
| 1983 | 311 |
| 1984 | 193 |
| 1985 | 239 |
| 1986 | 279 |
| 1987 | 371 |
| 1988 | 335 |
| 1989 | 336 |
| 1990 | 351 |
| 1991 | 401 |
| 1992 | 456 |
| 1993 | 487 |
| 1994 | 522 |
| 1995 | 487 |
| 1996 | 622 |
| 1997 | 628 |
| 1998 | 656 |
| 1999 | 698 |
| 2000 | 666 |
| 2001 | 633 |
| 2002 | 629 |
| 2003 | 743 |
| 2004 | 681 |
| 2005 | 795 |
| 2006 | 840 |
| 2007 | 602 |
| 2008 | 652 |
| 2009 | 549 |
| 2010 | 532 |
| 2011 | 491 |
| 2012 | 462 |
| 2013 | 531 |
| 2014 | 550 |
| 2015 | 463 |
| 2016 | 489 |
| 2017 | 487 |
| 2018 | 422 |
| 2019 | 485 |
| 2020 | 556 |
| 2021 | 536 |
| 2022 | 458 |
| 2023 | 403 |
| 2024 | 406 |
| 2025 | 233 |