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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1979 | 1 |
| 1981 | 3 |
| 1982 | 5 |
| 1983 | 18 |
| 1984 | 11 |
| 1985 | 22 |
| 1986 | 13 |
| 1987 | 24 |
| 1988 | 18 |
| 1989 | 23 |
| 1990 | 17 |
| 1991 | 30 |
| 1992 | 44 |
| 1993 | 78 |
| 1994 | 84 |
| 1995 | 106 |
| 1996 | 109 |
| 1997 | 143 |
| 1998 | 179 |
| 1999 | 234 |
| 2000 | 217 |
| 2001 | 282 |
| 2002 | 338 |
| 2003 | 402 |
| 2004 | 417 |
| 2005 | 443 |
| 2006 | 560 |
| 2007 | 677 |
| 2008 | 617 |
| 2009 | 676 |
| 2010 | 619 |
| 2011 | 625 |
| 2012 | 618 |
| 2013 | 558 |
| 2014 | 585 |
| 2015 | 612 |
| 2016 | 559 |
| 2017 | 551 |
| 2018 | 515 |
| 2019 | 516 |
| 2020 | 472 |
| 2021 | 428 |
| 2022 | 245 |
| 2023 | 206 |
| 2024 | 56 |