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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 2 |
| 1974 | 1 |
| 1981 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 4 |
| 1989 | 3 |
| 1990 | 6 |
| 1991 | 9 |
| 1992 | 7 |
| 1993 | 13 |
| 1994 | 17 |
| 1995 | 14 |
| 1996 | 15 |
| 1997 | 23 |
| 1998 | 29 |
| 1999 | 41 |
| 2000 | 71 |
| 2001 | 78 |
| 2002 | 103 |
| 2003 | 132 |
| 2004 | 185 |
| 2005 | 188 |
| 2006 | 225 |
| 2007 | 298 |
| 2008 | 343 |
| 2009 | 410 |
| 2010 | 506 |
| 2011 | 613 |
| 2012 | 670 |
| 2013 | 766 |
| 2014 | 807 |
| 2015 | 828 |
| 2016 | 801 |
| 2017 | 774 |
| 2018 | 786 |
| 2019 | 866 |
| 2020 | 909 |
| 2021 | 1023 |
| 2022 | 889 |
| 2023 | 631 |