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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 2 |
| 1960 | 2 |
| 1961 | 1 |
| 1966 | 1 |
| 1986 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 10 |
| 1998 | 24 |
| 1999 | 44 |
| 2000 | 67 |
| 2001 | 70 |
| 2002 | 68 |
| 2003 | 62 |
| 2004 | 71 |
| 2005 | 74 |
| 2006 | 91 |
| 2007 | 80 |
| 2008 | 41 |
| 2009 | 38 |
| 2010 | 38 |
| 2011 | 29 |
| 2012 | 31 |
| 2013 | 27 |
| 2014 | 22 |
| 2015 | 10 |
| 2016 | 12 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 2 |
| 2024 | 0 |