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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 4 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 32 |
| 1993 | 31 |
| 1994 | 25 |
| 1995 | 29 |
| 1996 | 27 |
| 1997 | 50 |
| 1998 | 63 |
| 1999 | 59 |
| 2000 | 135 |
| 2001 | 176 |
| 2002 | 222 |
| 2003 | 265 |
| 2004 | 317 |
| 2005 | 311 |
| 2006 | 293 |
| 2007 | 354 |
| 2008 | 441 |
| 2009 | 473 |
| 2010 | 465 |
| 2011 | 539 |
| 2012 | 465 |
| 2013 | 548 |
| 2014 | 483 |
| 2015 | 572 |
| 2016 | 641 |
| 2017 | 663 |
| 2018 | 619 |
| 2019 | 711 |
| 2020 | 766 |
| 2021 | 800 |
| 2022 | 856 |
| 2023 | 622 |
| 2024 | 806 |