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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1969 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 3 |
| 1989 | 2 |
| 1992 | 3 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 2 |
| 1996 | 5 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 6 |
| 2000 | 3 |
| 2001 | 17 |
| 2002 | 12 |
| 2003 | 22 |
| 2004 | 30 |
| 2005 | 39 |
| 2006 | 45 |
| 2007 | 50 |
| 2008 | 52 |
| 2009 | 75 |
| 2010 | 98 |
| 2011 | 90 |
| 2012 | 110 |
| 2013 | 127 |
| 2014 | 157 |
| 2015 | 152 |
| 2016 | 173 |
| 2017 | 228 |
| 2018 | 258 |
| 2019 | 301 |
| 2020 | 462 |
| 2021 | 508 |
| 2022 | 540 |
| 2023 | 141 |