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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 3 |
| 1984 | 7 |
| 1985 | 4 |
| 1986 | 2 |
| 1987 | 8 |
| 1988 | 6 |
| 1989 | 9 |
| 1990 | 12 |
| 1991 | 8 |
| 1992 | 17 |
| 1993 | 11 |
| 1994 | 21 |
| 1995 | 32 |
| 1996 | 29 |
| 1997 | 28 |
| 1998 | 32 |
| 1999 | 49 |
| 2000 | 39 |
| 2001 | 60 |
| 2002 | 63 |
| 2003 | 53 |
| 2004 | 88 |
| 2005 | 167 |
| 2006 | 162 |
| 2007 | 211 |
| 2008 | 185 |
| 2009 | 259 |
| 2010 | 318 |
| 2011 | 351 |
| 2012 | 413 |
| 2013 | 472 |
| 2014 | 525 |
| 2015 | 595 |
| 2016 | 624 |
| 2017 | 795 |
| 2018 | 892 |
| 2019 | 922 |
| 2020 | 1173 |
| 2021 | 1447 |
| 2022 | 1689 |
| 2023 | 449 |