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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1980 | 1 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 5 |
| 1988 | 3 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 3 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 8 |
| 1996 | 5 |
| 1997 | 10 |
| 1998 | 16 |
| 1999 | 6 |
| 2000 | 27 |
| 2001 | 29 |
| 2002 | 29 |
| 2003 | 48 |
| 2004 | 72 |
| 2005 | 100 |
| 2006 | 104 |
| 2007 | 131 |
| 2008 | 137 |
| 2009 | 165 |
| 2010 | 165 |
| 2011 | 227 |
| 2012 | 225 |
| 2013 | 247 |
| 2014 | 282 |
| 2015 | 292 |
| 2016 | 293 |
| 2017 | 275 |
| 2018 | 307 |
| 2019 | 323 |
| 2020 | 428 |
| 2021 | 437 |
| 2022 | 417 |
| 2023 | 400 |
| 2024 | 298 |