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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1963 | 1 |
| 1979 | 3 |
| 1980 | 19 |
| 1981 | 40 |
| 1982 | 51 |
| 1983 | 49 |
| 1984 | 50 |
| 1985 | 87 |
| 1986 | 103 |
| 1987 | 139 |
| 1988 | 210 |
| 1989 | 297 |
| 1990 | 323 |
| 1991 | 212 |
| 1992 | 168 |
| 1993 | 175 |
| 1994 | 205 |
| 1995 | 245 |
| 1996 | 273 |
| 1997 | 268 |
| 1998 | 310 |
| 1999 | 340 |
| 2000 | 344 |
| 2001 | 378 |
| 2002 | 381 |
| 2003 | 433 |
| 2004 | 428 |
| 2005 | 445 |
| 2006 | 327 |
| 2007 | 377 |
| 2008 | 390 |
| 2009 | 462 |
| 2010 | 456 |
| 2011 | 538 |
| 2012 | 642 |
| 2013 | 705 |
| 2014 | 730 |
| 2015 | 769 |
| 2016 | 782 |
| 2017 | 709 |
| 2018 | 781 |
| 2019 | 754 |
| 2020 | 696 |
| 2021 | 656 |
| 2022 | 535 |
| 2023 | 357 |
| 2024 | 588 |
| 2025 | 381 |