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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1965 | 3 |
| 1970 | 1 |
| 1971 | 1 |
| 1976 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 3 |
| 1993 | 2 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 10 |
| 1999 | 8 |
| 2000 | 10 |
| 2001 | 22 |
| 2002 | 18 |
| 2003 | 26 |
| 2004 | 20 |
| 2005 | 43 |
| 2006 | 56 |
| 2007 | 61 |
| 2008 | 67 |
| 2009 | 82 |
| 2010 | 81 |
| 2011 | 91 |
| 2012 | 100 |
| 2013 | 75 |
| 2014 | 82 |
| 2015 | 89 |
| 2016 | 114 |
| 2017 | 130 |
| 2018 | 121 |
| 2019 | 138 |
| 2020 | 143 |
| 2021 | 148 |
| 2022 | 115 |
| 2023 | 125 |
| 2024 | 130 |
| 2025 | 129 |