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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 4 |
| 1983 | 3 |
| 1984 | 12 |
| 1985 | 5 |
| 1986 | 5 |
| 1987 | 9 |
| 1988 | 26 |
| 1989 | 37 |
| 1990 | 38 |
| 1991 | 38 |
| 1992 | 43 |
| 1993 | 39 |
| 1994 | 46 |
| 1995 | 44 |
| 1996 | 31 |
| 1997 | 39 |
| 1998 | 40 |
| 1999 | 55 |
| 2000 | 48 |
| 2001 | 57 |
| 2002 | 63 |
| 2003 | 86 |
| 2004 | 116 |
| 2005 | 154 |
| 2006 | 214 |
| 2007 | 207 |
| 2008 | 227 |
| 2009 | 259 |
| 2010 | 305 |
| 2011 | 361 |
| 2012 | 383 |
| 2013 | 479 |
| 2014 | 479 |
| 2015 | 465 |
| 2016 | 510 |
| 2017 | 539 |
| 2018 | 518 |
| 2019 | 526 |
| 2020 | 597 |
| 2021 | 564 |
| 2022 | 538 |
| 2023 | 479 |
| 2024 | 219 |