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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1975 | 1 |
| 1977 | 4 |
| 1983 | 3 |
| 1986 | 3 |
| 1987 | 2 |
| 1990 | 6 |
| 1991 | 6 |
| 1992 | 4 |
| 1993 | 5 |
| 1994 | 4 |
| 1995 | 2 |
| 1996 | 9 |
| 1997 | 9 |
| 1998 | 15 |
| 1999 | 13 |
| 2000 | 21 |
| 2001 | 33 |
| 2002 | 17 |
| 2003 | 19 |
| 2004 | 32 |
| 2005 | 32 |
| 2006 | 26 |
| 2007 | 64 |
| 2008 | 77 |
| 2009 | 93 |
| 2010 | 117 |
| 2011 | 103 |
| 2012 | 124 |
| 2013 | 123 |
| 2014 | 127 |
| 2015 | 135 |
| 2016 | 205 |
| 2017 | 226 |
| 2018 | 221 |
| 2019 | 229 |
| 2020 | 268 |
| 2021 | 317 |
| 2022 | 285 |
| 2023 | 263 |
| 2024 | 181 |