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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1967 | 2 |
| 1971 | 1 |
| 1981 | 2 |
| 1983 | 1 |
| 1985 | 3 |
| 1987 | 6 |
| 1988 | 2 |
| 1993 | 1 |
| 1994 | 24 |
| 1995 | 69 |
| 1996 | 62 |
| 1997 | 86 |
| 1998 | 66 |
| 1999 | 113 |
| 2000 | 142 |
| 2001 | 146 |
| 2002 | 152 |
| 2003 | 194 |
| 2004 | 229 |
| 2005 | 191 |
| 2006 | 215 |
| 2007 | 225 |
| 2008 | 215 |
| 2009 | 264 |
| 2010 | 251 |
| 2011 | 373 |
| 2012 | 361 |
| 2013 | 357 |
| 2014 | 286 |
| 2015 | 315 |
| 2016 | 344 |
| 2017 | 288 |
| 2018 | 275 |
| 2019 | 272 |
| 2020 | 255 |
| 2021 | 266 |
| 2022 | 213 |
| 2023 | 175 |
| 2024 | 129 |