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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 2 |
| 1989 | 3 |
| 1991 | 10 |
| 1992 | 21 |
| 1993 | 27 |
| 1994 | 23 |
| 1995 | 33 |
| 1996 | 40 |
| 1997 | 57 |
| 1998 | 65 |
| 1999 | 83 |
| 2000 | 105 |
| 2001 | 158 |
| 2002 | 134 |
| 2003 | 151 |
| 2004 | 153 |
| 2005 | 184 |
| 2006 | 193 |
| 2007 | 234 |
| 2008 | 235 |
| 2009 | 230 |
| 2010 | 261 |
| 2011 | 307 |
| 2012 | 352 |
| 2013 | 347 |
| 2014 | 328 |
| 2015 | 346 |
| 2016 | 367 |
| 2017 | 347 |
| 2018 | 432 |
| 2019 | 432 |
| 2020 | 411 |
| 2021 | 284 |
| 2022 | 266 |
| 2023 | 252 |
| 2024 | 182 |