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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1988 | 2 |
| 1989 | 6 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 2 |
| 1996 | 6 |
| 1997 | 3 |
| 1998 | 8 |
| 1999 | 18 |
| 2000 | 14 |
| 2001 | 23 |
| 2002 | 16 |
| 2003 | 31 |
| 2004 | 25 |
| 2005 | 22 |
| 2006 | 33 |
| 2007 | 44 |
| 2008 | 52 |
| 2009 | 65 |
| 2010 | 80 |
| 2011 | 111 |
| 2012 | 105 |
| 2013 | 131 |
| 2014 | 137 |
| 2015 | 183 |
| 2016 | 162 |
| 2017 | 202 |
| 2018 | 229 |
| 2019 | 255 |
| 2020 | 243 |
| 2021 | 266 |
| 2022 | 278 |
| 2023 | 245 |
| 2024 | 175 |