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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1968 | 1 |
| 1975 | 3 |
| 1978 | 1 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 7 |
| 1983 | 3 |
| 1984 | 5 |
| 1985 | 5 |
| 1986 | 7 |
| 1987 | 8 |
| 1988 | 12 |
| 1989 | 24 |
| 1990 | 13 |
| 1991 | 16 |
| 1992 | 25 |
| 1993 | 15 |
| 1994 | 22 |
| 1995 | 27 |
| 1996 | 30 |
| 1997 | 23 |
| 1998 | 30 |
| 1999 | 33 |
| 2000 | 50 |
| 2001 | 55 |
| 2002 | 60 |
| 2003 | 96 |
| 2004 | 131 |
| 2005 | 146 |
| 2006 | 179 |
| 2007 | 222 |
| 2008 | 296 |
| 2009 | 314 |
| 2010 | 358 |
| 2011 | 451 |
| 2012 | 521 |
| 2013 | 526 |
| 2014 | 547 |
| 2015 | 584 |
| 2016 | 706 |
| 2017 | 692 |
| 2018 | 789 |
| 2019 | 886 |
| 2020 | 1059 |
| 2021 | 1180 |
| 2022 | 1313 |
| 2023 | 367 |