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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1975 | 1 |
| 1987 | 3 |
| 1988 | 35 |
| 1989 | 108 |
| 1990 | 151 |
| 1991 | 196 |
| 1992 | 156 |
| 1993 | 197 |
| 1994 | 184 |
| 1995 | 178 |
| 1996 | 180 |
| 1997 | 183 |
| 1998 | 168 |
| 1999 | 170 |
| 2000 | 222 |
| 2001 | 212 |
| 2002 | 257 |
| 2003 | 298 |
| 2004 | 302 |
| 2005 | 324 |
| 2006 | 401 |
| 2007 | 398 |
| 2008 | 418 |
| 2009 | 415 |
| 2010 | 388 |
| 2011 | 412 |
| 2012 | 421 |
| 2013 | 434 |
| 2014 | 436 |
| 2015 | 389 |
| 2016 | 395 |
| 2017 | 327 |
| 2018 | 336 |
| 2019 | 319 |
| 2020 | 309 |
| 2021 | 192 |
| 2022 | 28 |
| 2023 | 5 |
| 2024 | 16 |