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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1979 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 5 |
| 1989 | 4 |
| 1990 | 15 |
| 1991 | 15 |
| 1992 | 3 |
| 1993 | 1 |
| 1995 | 4 |
| 1996 | 5 |
| 1997 | 20 |
| 1998 | 29 |
| 1999 | 41 |
| 2000 | 56 |
| 2001 | 87 |
| 2002 | 106 |
| 2003 | 148 |
| 2004 | 164 |
| 2005 | 214 |
| 2006 | 210 |
| 2007 | 192 |
| 2008 | 228 |
| 2009 | 214 |
| 2010 | 219 |
| 2011 | 226 |
| 2012 | 244 |
| 2013 | 213 |
| 2014 | 225 |
| 2015 | 200 |
| 2016 | 187 |
| 2017 | 163 |
| 2018 | 152 |
| 2019 | 121 |
| 2020 | 104 |
| 2021 | 72 |
| 2022 | 9 |
| 2023 | 16 |
| 2024 | 6 |