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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1980 | 1 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 1 |
| 1989 | 4 |
| 1990 | 3 |
| 1991 | 2 |
| 1992 | 3 |
| 1993 | 7 |
| 1994 | 10 |
| 1995 | 17 |
| 1996 | 9 |
| 1997 | 13 |
| 1998 | 23 |
| 1999 | 29 |
| 2000 | 38 |
| 2001 | 42 |
| 2002 | 56 |
| 2003 | 48 |
| 2004 | 74 |
| 2005 | 100 |
| 2006 | 119 |
| 2007 | 103 |
| 2008 | 98 |
| 2009 | 114 |
| 2010 | 113 |
| 2011 | 100 |
| 2012 | 96 |
| 2013 | 117 |
| 2014 | 117 |
| 2015 | 134 |
| 2016 | 132 |
| 2017 | 116 |
| 2018 | 106 |
| 2019 | 105 |
| 2020 | 126 |
| 2021 | 132 |
| 2022 | 104 |
| 2023 | 94 |
| 2024 | 100 |
| 2025 | 75 |