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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1970 | 1 |
| 1972 | 1 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 7 |
| 1999 | 7 |
| 2000 | 14 |
| 2001 | 11 |
| 2002 | 12 |
| 2003 | 15 |
| 2004 | 22 |
| 2005 | 22 |
| 2006 | 24 |
| 2007 | 31 |
| 2008 | 52 |
| 2009 | 50 |
| 2010 | 54 |
| 2011 | 49 |
| 2012 | 62 |
| 2013 | 55 |
| 2014 | 63 |
| 2015 | 98 |
| 2016 | 104 |
| 2017 | 117 |
| 2018 | 150 |
| 2019 | 154 |
| 2020 | 132 |
| 2021 | 134 |
| 2022 | 117 |
| 2023 | 109 |
| 2024 | 49 |