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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1989 | 7 |
| 1990 | 32 |
| 1991 | 43 |
| 1992 | 69 |
| 1993 | 60 |
| 1994 | 60 |
| 1995 | 40 |
| 1996 | 43 |
| 1997 | 53 |
| 1998 | 48 |
| 1999 | 47 |
| 2000 | 67 |
| 2001 | 55 |
| 2002 | 57 |
| 2003 | 84 |
| 2004 | 75 |
| 2005 | 75 |
| 2006 | 92 |
| 2007 | 90 |
| 2008 | 76 |
| 2009 | 108 |
| 2010 | 112 |
| 2011 | 109 |
| 2012 | 148 |
| 2013 | 171 |
| 2014 | 156 |
| 2015 | 158 |
| 2016 | 150 |
| 2017 | 151 |
| 2018 | 138 |
| 2019 | 126 |
| 2020 | 122 |
| 2021 | 110 |
| 2022 | 37 |
| 2023 | 53 |
| 2024 | 63 |
| 2025 | 53 |