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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 2 |
| 1971 | 1 |
| 1974 | 3 |
| 1977 | 1 |
| 1978 | 16 |
| 1979 | 38 |
| 1980 | 37 |
| 1981 | 41 |
| 1982 | 56 |
| 1983 | 52 |
| 1984 | 70 |
| 1985 | 67 |
| 1986 | 60 |
| 1987 | 55 |
| 1988 | 80 |
| 1989 | 81 |
| 1990 | 64 |
| 1991 | 107 |
| 1992 | 126 |
| 1993 | 164 |
| 1994 | 104 |
| 1995 | 113 |
| 1996 | 125 |
| 1997 | 145 |
| 1998 | 140 |
| 1999 | 166 |
| 2000 | 192 |
| 2001 | 250 |
| 2002 | 265 |
| 2003 | 331 |
| 2004 | 350 |
| 2005 | 357 |
| 2006 | 414 |
| 2007 | 428 |
| 2008 | 490 |
| 2009 | 531 |
| 2010 | 530 |
| 2011 | 525 |
| 2012 | 590 |
| 2013 | 606 |
| 2014 | 600 |
| 2015 | 529 |
| 2016 | 570 |
| 2017 | 529 |
| 2018 | 636 |
| 2019 | 581 |
| 2020 | 573 |
| 2021 | 470 |
| 2022 | 413 |
| 2023 | 379 |
| 2024 | 233 |