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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 3 |
| 1963 | 2 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 5 |
| 1991 | 2 |
| 1992 | 12 |
| 1993 | 5 |
| 1994 | 11 |
| 1995 | 11 |
| 1996 | 6 |
| 1997 | 17 |
| 1998 | 21 |
| 1999 | 18 |
| 2000 | 31 |
| 2001 | 40 |
| 2002 | 49 |
| 2003 | 53 |
| 2004 | 50 |
| 2005 | 61 |
| 2006 | 64 |
| 2007 | 80 |
| 2008 | 76 |
| 2009 | 105 |
| 2010 | 127 |
| 2011 | 134 |
| 2012 | 119 |
| 2013 | 104 |
| 2014 | 131 |
| 2015 | 107 |
| 2016 | 93 |
| 2017 | 90 |
| 2018 | 87 |
| 2019 | 105 |
| 2020 | 99 |
| 2021 | 117 |
| 2022 | 89 |
| 2023 | 69 |
| 2024 | 31 |