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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1966 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 3 |
| 1986 | 7 |
| 1987 | 5 |
| 1988 | 9 |
| 1989 | 6 |
| 1990 | 7 |
| 1991 | 16 |
| 1992 | 22 |
| 1993 | 18 |
| 1994 | 16 |
| 1995 | 28 |
| 1996 | 30 |
| 1997 | 22 |
| 1998 | 40 |
| 1999 | 37 |
| 2000 | 47 |
| 2001 | 61 |
| 2002 | 89 |
| 2003 | 119 |
| 2004 | 110 |
| 2005 | 165 |
| 2006 | 187 |
| 2007 | 230 |
| 2008 | 280 |
| 2009 | 284 |
| 2010 | 353 |
| 2011 | 420 |
| 2012 | 536 |
| 2013 | 630 |
| 2014 | 814 |
| 2015 | 903 |
| 2016 | 1064 |
| 2017 | 1212 |
| 2018 | 1418 |
| 2019 | 1656 |
| 2020 | 1926 |
| 2021 | 2179 |
| 2022 | 2675 |
| 2023 | 1922 |
| 2024 | 4 |