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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1968 | 1 |
| 1974 | 5 |
| 1975 | 17 |
| 1976 | 16 |
| 1977 | 13 |
| 1978 | 32 |
| 1979 | 37 |
| 1980 | 27 |
| 1981 | 39 |
| 1982 | 29 |
| 1983 | 43 |
| 1984 | 35 |
| 1985 | 47 |
| 1986 | 86 |
| 1987 | 98 |
| 1988 | 166 |
| 1989 | 194 |
| 1990 | 220 |
| 1991 | 314 |
| 1992 | 293 |
| 1993 | 280 |
| 1994 | 439 |
| 1995 | 439 |
| 1996 | 412 |
| 1997 | 705 |
| 1998 | 620 |
| 1999 | 615 |
| 2000 | 723 |
| 2001 | 653 |
| 2002 | 1065 |
| 2003 | 1353 |
| 2004 | 1868 |
| 2005 | 2701 |
| 2006 | 3404 |
| 2007 | 3695 |
| 2008 | 3967 |
| 2009 | 4231 |
| 2010 | 4379 |
| 2011 | 4664 |
| 2012 | 5161 |
| 2013 | 5519 |
| 2014 | 5384 |
| 2015 | 5181 |
| 2016 | 4607 |
| 2017 | 4335 |
| 2018 | 5090 |
| 2019 | 4653 |
| 2020 | 3143 |
| 2021 | 1931 |
| 2022 | 2135 |
| 2023 | 1298 |
| 2024 | 367 |