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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 5 |
| 1961 | 12 |
| 1962 | 4 |
| 1963 | 1 |
| 1969 | 1 |
| 1991 | 4 |
| 1993 | 1 |
| 1994 | 25 |
| 1995 | 59 |
| 1996 | 55 |
| 1997 | 58 |
| 1998 | 65 |
| 1999 | 66 |
| 2000 | 96 |
| 2001 | 110 |
| 2002 | 126 |
| 2003 | 158 |
| 2004 | 180 |
| 2005 | 145 |
| 2006 | 184 |
| 2007 | 175 |
| 2008 | 226 |
| 2009 | 242 |
| 2010 | 219 |
| 2011 | 274 |
| 2012 | 316 |
| 2013 | 329 |
| 2014 | 362 |
| 2015 | 347 |
| 2016 | 546 |
| 2017 | 484 |
| 2018 | 490 |
| 2019 | 436 |
| 2020 | 451 |
| 2021 | 314 |
| 2022 | 58 |
| 2023 | 12 |
| 2024 | 2 |