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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1974 | 2 |
| 1977 | 4 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 5 |
| 1982 | 6 |
| 1984 | 6 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 6 |
| 1989 | 29 |
| 1990 | 110 |
| 1991 | 113 |
| 1992 | 142 |
| 1993 | 108 |
| 1994 | 131 |
| 1995 | 122 |
| 1996 | 105 |
| 1997 | 139 |
| 1998 | 162 |
| 1999 | 180 |
| 2000 | 183 |
| 2001 | 222 |
| 2002 | 278 |
| 2003 | 260 |
| 2004 | 229 |
| 2005 | 316 |
| 2006 | 343 |
| 2007 | 314 |
| 2008 | 356 |
| 2009 | 355 |
| 2010 | 368 |
| 2011 | 424 |
| 2012 | 465 |
| 2013 | 452 |
| 2014 | 439 |
| 2015 | 454 |
| 2016 | 487 |
| 2017 | 356 |
| 2018 | 414 |
| 2019 | 405 |
| 2020 | 486 |
| 2021 | 474 |
| 2022 | 526 |
| 2023 | 408 |
| 2024 | 176 |