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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1972 | 1 |
| 1976 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 7 |
| 1997 | 4 |
| 1998 | 7 |
| 1999 | 8 |
| 2000 | 4 |
| 2001 | 9 |
| 2002 | 13 |
| 2003 | 15 |
| 2004 | 12 |
| 2005 | 12 |
| 2006 | 33 |
| 2007 | 29 |
| 2008 | 44 |
| 2009 | 64 |
| 2010 | 56 |
| 2011 | 85 |
| 2012 | 93 |
| 2013 | 80 |
| 2014 | 81 |
| 2015 | 103 |
| 2016 | 104 |
| 2017 | 114 |
| 2018 | 114 |
| 2019 | 144 |
| 2020 | 129 |
| 2021 | 147 |
| 2022 | 164 |
| 2023 | 139 |
| 2024 | 147 |
| 2025 | 125 |