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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 11 |
| 1994 | 21 |
| 1995 | 47 |
| 1996 | 37 |
| 1997 | 36 |
| 1998 | 44 |
| 1999 | 49 |
| 2000 | 68 |
| 2001 | 81 |
| 2002 | 107 |
| 2003 | 149 |
| 2004 | 119 |
| 2005 | 157 |
| 2006 | 151 |
| 2007 | 177 |
| 2008 | 174 |
| 2009 | 207 |
| 2010 | 226 |
| 2011 | 289 |
| 2012 | 265 |
| 2013 | 280 |
| 2014 | 323 |
| 2015 | 299 |
| 2016 | 247 |
| 2017 | 209 |
| 2018 | 227 |
| 2019 | 228 |
| 2020 | 177 |
| 2021 | 69 |
| 2022 | 72 |
| 2023 | 64 |
| 2024 | 30 |