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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1981 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 7 |
| 1999 | 13 |
| 2000 | 17 |
| 2001 | 10 |
| 2002 | 31 |
| 2003 | 53 |
| 2004 | 68 |
| 2005 | 85 |
| 2006 | 91 |
| 2007 | 105 |
| 2008 | 123 |
| 2009 | 153 |
| 2010 | 172 |
| 2011 | 194 |
| 2012 | 247 |
| 2013 | 267 |
| 2014 | 256 |
| 2015 | 283 |
| 2016 | 275 |
| 2017 | 295 |
| 2018 | 285 |
| 2019 | 315 |
| 2020 | 340 |
| 2021 | 383 |
| 2022 | 337 |
| 2023 | 337 |
| 2024 | 357 |
| 2025 | 260 |