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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 10 |
| 1980 | 13 |
| 1981 | 14 |
| 1982 | 28 |
| 1983 | 37 |
| 1984 | 60 |
| 1985 | 85 |
| 1986 | 141 |
| 1987 | 141 |
| 1988 | 126 |
| 1989 | 166 |
| 1990 | 234 |
| 1991 | 221 |
| 1992 | 200 |
| 1993 | 219 |
| 1994 | 212 |
| 1995 | 273 |
| 1996 | 204 |
| 1997 | 193 |
| 1998 | 202 |
| 1999 | 262 |
| 2000 | 242 |
| 2001 | 284 |
| 2002 | 371 |
| 2003 | 401 |
| 2004 | 484 |
| 2005 | 513 |
| 2006 | 523 |
| 2007 | 551 |
| 2008 | 539 |
| 2009 | 514 |
| 2010 | 550 |
| 2011 | 574 |
| 2012 | 596 |
| 2013 | 665 |
| 2014 | 589 |
| 2015 | 597 |
| 2016 | 543 |
| 2017 | 495 |
| 2018 | 479 |
| 2019 | 447 |
| 2020 | 551 |
| 2021 | 651 |
| 2022 | 717 |
| 2023 | 592 |
| 2024 | 204 |