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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 9 |
| 1972 | 3 |
| 1973 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 5 |
| 1987 | 5 |
| 1988 | 3 |
| 1989 | 6 |
| 1990 | 16 |
| 1991 | 11 |
| 1992 | 8 |
| 1993 | 17 |
| 1994 | 9 |
| 1995 | 18 |
| 1996 | 20 |
| 1997 | 33 |
| 1998 | 36 |
| 1999 | 47 |
| 2000 | 62 |
| 2001 | 71 |
| 2002 | 74 |
| 2003 | 93 |
| 2004 | 129 |
| 2005 | 168 |
| 2006 | 207 |
| 2007 | 239 |
| 2008 | 257 |
| 2009 | 301 |
| 2010 | 344 |
| 2011 | 394 |
| 2012 | 501 |
| 2013 | 560 |
| 2014 | 584 |
| 2015 | 536 |
| 2016 | 600 |
| 2017 | 603 |
| 2018 | 580 |
| 2019 | 587 |
| 2020 | 613 |
| 2021 | 667 |
| 2022 | 581 |
| 2023 | 550 |
| 2024 | 390 |