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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 2 |
| 1973 | 2 |
| 1974 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1987 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 2 |
| 2003 | 7 |
| 2004 | 11 |
| 2005 | 10 |
| 2006 | 11 |
| 2007 | 8 |
| 2008 | 7 |
| 2009 | 13 |
| 2010 | 30 |
| 2011 | 24 |
| 2012 | 29 |
| 2013 | 36 |
| 2014 | 27 |
| 2015 | 33 |
| 2016 | 26 |
| 2017 | 48 |
| 2018 | 37 |
| 2019 | 42 |
| 2020 | 50 |
| 2021 | 73 |
| 2022 | 91 |
| 2023 | 84 |
| 2024 | 34 |