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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 2 |
| 1964 | 2 |
| 1965 | 2 |
| 1968 | 2 |
| 1969 | 1 |
| 1972 | 1 |
| 1977 | 1 |
| 1978 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 4 |
| 1985 | 2 |
| 1986 | 4 |
| 1987 | 3 |
| 1988 | 9 |
| 1989 | 7 |
| 1990 | 9 |
| 1991 | 10 |
| 1992 | 22 |
| 1993 | 16 |
| 1994 | 20 |
| 1995 | 22 |
| 1996 | 22 |
| 1997 | 20 |
| 1998 | 30 |
| 1999 | 31 |
| 2000 | 26 |
| 2001 | 30 |
| 2002 | 38 |
| 2003 | 36 |
| 2004 | 31 |
| 2005 | 45 |
| 2006 | 64 |
| 2007 | 61 |
| 2008 | 61 |
| 2009 | 77 |
| 2010 | 94 |
| 2011 | 119 |
| 2012 | 113 |
| 2013 | 118 |
| 2014 | 143 |
| 2015 | 134 |
| 2016 | 129 |
| 2017 | 117 |
| 2018 | 142 |
| 2019 | 114 |
| 2020 | 131 |
| 2021 | 121 |
| 2022 | 137 |
| 2023 | 118 |
| 2024 | 89 |
| 2025 | 84 |