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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 1 |
| 1968 | 2 |
| 1972 | 1 |
| 1974 | 1 |
| 1983 | 1 |
| 1986 | 2 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 1 |
| 1992 | 2 |
| 1993 | 5 |
| 1994 | 6 |
| 1995 | 5 |
| 1996 | 8 |
| 1997 | 5 |
| 1998 | 5 |
| 1999 | 15 |
| 2000 | 10 |
| 2001 | 1 |
| 2002 | 12 |
| 2003 | 14 |
| 2004 | 18 |
| 2005 | 22 |
| 2006 | 32 |
| 2007 | 41 |
| 2008 | 51 |
| 2009 | 77 |
| 2010 | 71 |
| 2011 | 96 |
| 2012 | 108 |
| 2013 | 135 |
| 2014 | 134 |
| 2015 | 156 |
| 2016 | 201 |
| 2017 | 235 |
| 2018 | 241 |
| 2019 | 299 |
| 2020 | 330 |
| 2021 | 424 |
| 2022 | 464 |
| 2023 | 127 |