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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1966 | 1 |
| 1969 | 5 |
| 1970 | 1 |
| 1971 | 1 |
| 1975 | 3 |
| 1979 | 1 |
| 1980 | 4 |
| 1981 | 1 |
| 1982 | 4 |
| 1983 | 2 |
| 1984 | 4 |
| 1985 | 1 |
| 1986 | 7 |
| 1987 | 5 |
| 1988 | 6 |
| 1989 | 6 |
| 1990 | 11 |
| 1991 | 14 |
| 1992 | 14 |
| 1993 | 20 |
| 1994 | 19 |
| 1995 | 23 |
| 1996 | 34 |
| 1997 | 38 |
| 1998 | 34 |
| 1999 | 46 |
| 2000 | 59 |
| 2001 | 65 |
| 2002 | 76 |
| 2003 | 87 |
| 2004 | 93 |
| 2005 | 125 |
| 2006 | 169 |
| 2007 | 173 |
| 2008 | 205 |
| 2009 | 223 |
| 2010 | 260 |
| 2011 | 299 |
| 2012 | 375 |
| 2013 | 370 |
| 2014 | 403 |
| 2015 | 480 |
| 2016 | 476 |
| 2017 | 457 |
| 2018 | 547 |
| 2019 | 568 |
| 2020 | 659 |
| 2021 | 731 |
| 2022 | 809 |
| 2023 | 769 |
| 2024 | 563 |