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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 1 |
| 1973 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 3 |
| 1994 | 3 |
| 1995 | 7 |
| 1996 | 5 |
| 1997 | 7 |
| 1998 | 13 |
| 1999 | 20 |
| 2000 | 33 |
| 2001 | 28 |
| 2002 | 19 |
| 2003 | 39 |
| 2004 | 44 |
| 2005 | 50 |
| 2006 | 36 |
| 2007 | 42 |
| 2008 | 52 |
| 2009 | 69 |
| 2010 | 68 |
| 2011 | 106 |
| 2012 | 127 |
| 2013 | 138 |
| 2014 | 163 |
| 2015 | 173 |
| 2016 | 201 |
| 2017 | 203 |
| 2018 | 185 |
| 2019 | 224 |
| 2020 | 266 |
| 2021 | 287 |
| 2022 | 268 |
| 2023 | 244 |
| 2024 | 105 |