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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 145 |
| 1966 | 66 |
| 1967 | 141 |
| 1968 | 177 |
| 1969 | 207 |
| 1970 | 140 |
| 1971 | 5 |
| 1983 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 6 |
| 1992 | 2 |
| 1993 | 2 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 6 |
| 2001 | 4 |
| 2002 | 4 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 6 |
| 2006 | 20 |
| 2007 | 56 |
| 2008 | 69 |
| 2009 | 94 |
| 2010 | 85 |
| 2011 | 90 |
| 2012 | 78 |
| 2013 | 62 |
| 2014 | 45 |
| 2015 | 113 |
| 2016 | 40 |
| 2017 | 40 |
| 2018 | 29 |
| 2019 | 21 |
| 2020 | 30 |
| 2021 | 34 |
| 2022 | 13 |
| 2023 | 15 |
| 2024 | 4 |