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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1967 | 1 |
| 1975 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 6 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 5 |
| 1987 | 6 |
| 1988 | 8 |
| 1989 | 11 |
| 1990 | 11 |
| 1991 | 21 |
| 1992 | 20 |
| 1993 | 21 |
| 1994 | 20 |
| 1995 | 31 |
| 1996 | 41 |
| 1997 | 38 |
| 1998 | 60 |
| 1999 | 77 |
| 2000 | 107 |
| 2001 | 104 |
| 2002 | 108 |
| 2003 | 129 |
| 2004 | 163 |
| 2005 | 188 |
| 2006 | 226 |
| 2007 | 284 |
| 2008 | 325 |
| 2009 | 366 |
| 2010 | 428 |
| 2011 | 496 |
| 2012 | 562 |
| 2013 | 586 |
| 2014 | 636 |
| 2015 | 702 |
| 2016 | 638 |
| 2017 | 717 |
| 2018 | 705 |
| 2019 | 718 |
| 2020 | 783 |
| 2021 | 830 |
| 2022 | 741 |
| 2023 | 340 |