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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1979 | 1 |
| 1987 | 8 |
| 1988 | 9 |
| 1989 | 30 |
| 1990 | 129 |
| 1991 | 186 |
| 1992 | 154 |
| 1993 | 214 |
| 1994 | 184 |
| 1995 | 142 |
| 1996 | 168 |
| 1997 | 134 |
| 1998 | 141 |
| 1999 | 164 |
| 2000 | 195 |
| 2001 | 226 |
| 2002 | 275 |
| 2003 | 301 |
| 2004 | 249 |
| 2005 | 344 |
| 2006 | 332 |
| 2007 | 347 |
| 2008 | 422 |
| 2009 | 435 |
| 2010 | 334 |
| 2011 | 441 |
| 2012 | 462 |
| 2013 | 435 |
| 2014 | 426 |
| 2015 | 507 |
| 2016 | 481 |
| 2017 | 548 |
| 2018 | 621 |
| 2019 | 494 |
| 2020 | 416 |
| 2021 | 292 |
| 2022 | 328 |
| 2023 | 281 |
| 2024 | 109 |