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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 8 |
| 1966 | 9 |
| 1967 | 14 |
| 1968 | 7 |
| 1969 | 16 |
| 1970 | 20 |
| 1971 | 26 |
| 1972 | 31 |
| 1973 | 37 |
| 1974 | 40 |
| 1975 | 22 |
| 1976 | 41 |
| 1977 | 27 |
| 1978 | 36 |
| 1979 | 35 |
| 1980 | 55 |
| 1981 | 62 |
| 1982 | 99 |
| 1983 | 87 |
| 1984 | 122 |
| 1985 | 122 |
| 1986 | 144 |
| 1987 | 156 |
| 1988 | 166 |
| 1989 | 171 |
| 1990 | 193 |
| 1991 | 204 |
| 1992 | 213 |
| 1993 | 216 |
| 1994 | 188 |
| 1995 | 312 |
| 1996 | 386 |
| 1997 | 374 |
| 1998 | 435 |
| 1999 | 465 |
| 2000 | 473 |
| 2001 | 592 |
| 2002 | 596 |
| 2003 | 577 |
| 2004 | 552 |
| 2005 | 693 |
| 2006 | 637 |
| 2007 | 589 |
| 2008 | 506 |
| 2009 | 553 |
| 2010 | 495 |
| 2011 | 548 |
| 2012 | 515 |
| 2013 | 565 |
| 2014 | 553 |
| 2015 | 486 |
| 2016 | 423 |
| 2017 | 350 |
| 2018 | 361 |
| 2019 | 362 |
| 2020 | 386 |
| 2021 | 236 |
| 2022 | 95 |
| 2023 | 68 |
| 2024 | 30 |