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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1957 | 1 |
| 1963 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1994 | 2 |
| 1996 | 2 |
| 1998 | 5 |
| 1999 | 15 |
| 2000 | 21 |
| 2001 | 21 |
| 2002 | 17 |
| 2003 | 30 |
| 2004 | 43 |
| 2005 | 39 |
| 2006 | 54 |
| 2007 | 41 |
| 2008 | 41 |
| 2009 | 45 |
| 2010 | 38 |
| 2011 | 61 |
| 2012 | 66 |
| 2013 | 75 |
| 2014 | 65 |
| 2015 | 66 |
| 2016 | 53 |
| 2017 | 66 |
| 2018 | 58 |
| 2019 | 57 |
| 2020 | 37 |
| 2021 | 24 |
| 2022 | 12 |
| 2023 | 5 |
| 2024 | 1 |