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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 4 |
| 2001 | 8 |
| 2002 | 7 |
| 2003 | 25 |
| 2004 | 24 |
| 2005 | 25 |
| 2006 | 43 |
| 2007 | 41 |
| 2008 | 68 |
| 2009 | 69 |
| 2010 | 73 |
| 2011 | 83 |
| 2012 | 112 |
| 2013 | 104 |
| 2014 | 171 |
| 2015 | 231 |
| 2016 | 269 |
| 2017 | 286 |
| 2018 | 324 |
| 2019 | 356 |
| 2020 | 314 |
| 2021 | 314 |
| 2022 | 310 |
| 2023 | 296 |
| 2024 | 112 |