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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 1 |
| 1968 | 2 |
| 1970 | 2 |
| 1971 | 2 |
| 1973 | 5 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1985 | 9 |
| 1986 | 5 |
| 1987 | 6 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 4 |
| 1991 | 5 |
| 1992 | 2 |
| 1993 | 5 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 7 |
| 1998 | 7 |
| 1999 | 7 |
| 2000 | 15 |
| 2001 | 13 |
| 2002 | 7 |
| 2003 | 7 |
| 2004 | 16 |
| 2005 | 22 |
| 2006 | 36 |
| 2007 | 29 |
| 2008 | 40 |
| 2009 | 59 |
| 2010 | 55 |
| 2011 | 68 |
| 2012 | 95 |
| 2013 | 107 |
| 2014 | 104 |
| 2015 | 118 |
| 2016 | 127 |
| 2017 | 134 |
| 2018 | 148 |
| 2019 | 157 |
| 2020 | 200 |
| 2021 | 266 |
| 2022 | 240 |
| 2023 | 238 |
| 2024 | 224 |
| 2025 | 244 |
| 2026 | 123 |