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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 13 |
| 1965 | 31 |
| 1966 | 31 |
| 1967 | 32 |
| 1968 | 23 |
| 1969 | 22 |
| 1970 | 28 |
| 1971 | 2 |
| 1984 | 2 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 5 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 5 |
| 1997 | 1 |
| 1999 | 1 |
| 2003 | 2 |
| 2004 | 2801 |
| 2005 | 2933 |
| 2006 | 2848 |
| 2007 | 2539 |
| 2008 | 2793 |
| 2009 | 2522 |
| 2010 | 2116 |
| 2011 | 2666 |
| 2012 | 2569 |
| 2013 | 2764 |
| 2014 | 2760 |
| 2015 | 2542 |
| 2016 | 2141 |
| 2017 | 1954 |
| 2018 | 2081 |
| 2019 | 2011 |
| 2020 | 2071 |
| 2021 | 1857 |
| 2022 | 1787 |
| 2023 | 2048 |
| 2024 | 646 |