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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 3 |
| 1971 | 1 |
| 1976 | 6 |
| 1977 | 12 |
| 1978 | 30 |
| 1979 | 27 |
| 1980 | 30 |
| 1981 | 13 |
| 1982 | 26 |
| 1983 | 23 |
| 1984 | 27 |
| 1985 | 21 |
| 1986 | 26 |
| 1987 | 40 |
| 1988 | 42 |
| 1989 | 69 |
| 1990 | 47 |
| 1991 | 49 |
| 1992 | 57 |
| 1993 | 64 |
| 1994 | 37 |
| 1995 | 39 |
| 1996 | 40 |
| 1997 | 41 |
| 1998 | 40 |
| 1999 | 61 |
| 2000 | 51 |
| 2001 | 66 |
| 2002 | 80 |
| 2003 | 68 |
| 2004 | 66 |
| 2005 | 100 |
| 2006 | 86 |
| 2007 | 104 |
| 2008 | 77 |
| 2009 | 85 |
| 2010 | 110 |
| 2011 | 139 |
| 2012 | 136 |
| 2013 | 131 |
| 2014 | 140 |
| 2015 | 130 |
| 2016 | 141 |
| 2017 | 160 |
| 2018 | 137 |
| 2019 | 135 |
| 2020 | 158 |
| 2021 | 123 |
| 2022 | 93 |
| 2023 | 99 |
| 2024 | 21 |