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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 4 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 4 |
| 1969 | 4 |
| 1972 | 1 |
| 1974 | 5 |
| 1975 | 1 |
| 1976 | 2 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 2 |
| 1984 | 3 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 3 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 65 |
| 1992 | 131 |
| 1993 | 118 |
| 1994 | 160 |
| 1995 | 155 |
| 1996 | 185 |
| 1997 | 183 |
| 1998 | 207 |
| 1999 | 220 |
| 2000 | 257 |
| 2001 | 306 |
| 2002 | 230 |
| 2003 | 269 |
| 2004 | 289 |
| 2005 | 309 |
| 2006 | 422 |
| 2007 | 397 |
| 2008 | 467 |
| 2009 | 511 |
| 2010 | 499 |
| 2011 | 592 |
| 2012 | 692 |
| 2013 | 668 |
| 2014 | 644 |
| 2015 | 742 |
| 2016 | 714 |
| 2017 | 704 |
| 2018 | 733 |
| 2019 | 687 |
| 2020 | 659 |
| 2021 | 435 |
| 2022 | 197 |
| 2023 | 150 |
| 2024 | 50 |