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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 1 |
| 1997 | 1 |
| 1999 | 3 |
| 2000 | 4 |
| 2001 | 7 |
| 2002 | 16 |
| 2003 | 14 |
| 2004 | 21 |
| 2005 | 17 |
| 2006 | 24 |
| 2007 | 28 |
| 2008 | 48 |
| 2009 | 48 |
| 2010 | 64 |
| 2011 | 75 |
| 2012 | 89 |
| 2013 | 96 |
| 2014 | 109 |
| 2015 | 116 |
| 2016 | 138 |
| 2017 | 142 |
| 2018 | 134 |
| 2019 | 133 |
| 2020 | 164 |
| 2021 | 183 |
| 2022 | 164 |
| 2023 | 154 |
| 2024 | 158 |
| 2025 | 62 |