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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 4 |
| 1976 | 2 |
| 1980 | 2 |
| 1991 | 4 |
| 1992 | 6 |
| 1993 | 4 |
| 1994 | 6 |
| 1995 | 14 |
| 1996 | 6 |
| 1997 | 6 |
| 1998 | 22 |
| 1999 | 36 |
| 2000 | 50 |
| 2001 | 54 |
| 2002 | 78 |
| 2003 | 111 |
| 2004 | 71 |
| 2005 | 90 |
| 2006 | 132 |
| 2007 | 148 |
| 2008 | 139 |
| 2009 | 180 |
| 2010 | 267 |
| 2011 | 296 |
| 2012 | 296 |
| 2013 | 309 |
| 2014 | 337 |
| 2015 | 296 |
| 2016 | 292 |
| 2017 | 278 |
| 2018 | 280 |
| 2019 | 318 |
| 2020 | 243 |
| 2021 | 225 |
| 2022 | 135 |
| 2023 | 109 |
| 2024 | 37 |