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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 3 |
| 1970 | 1 |
| 1971 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1990 | 12 |
| 1991 | 7 |
| 1992 | 26 |
| 1993 | 29 |
| 1994 | 32 |
| 1995 | 41 |
| 1996 | 30 |
| 1997 | 28 |
| 1998 | 42 |
| 1999 | 51 |
| 2000 | 53 |
| 2001 | 88 |
| 2002 | 95 |
| 2003 | 96 |
| 2004 | 109 |
| 2005 | 136 |
| 2006 | 170 |
| 2007 | 176 |
| 2008 | 159 |
| 2009 | 149 |
| 2010 | 168 |
| 2011 | 164 |
| 2012 | 184 |
| 2013 | 187 |
| 2014 | 164 |
| 2015 | 207 |
| 2016 | 168 |
| 2017 | 147 |
| 2018 | 168 |
| 2019 | 201 |
| 2020 | 148 |
| 2021 | 80 |
| 2022 | 7 |
| 2023 | 14 |
| 2024 | 113 |
| 2025 | 168 |
| 2026 | 5 |