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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 9 |
| 1967 | 16 |
| 1968 | 24 |
| 1969 | 37 |
| 1970 | 73 |
| 1971 | 117 |
| 1972 | 99 |
| 1973 | 81 |
| 1974 | 65 |
| 1975 | 46 |
| 1976 | 63 |
| 1977 | 49 |
| 1978 | 32 |
| 1979 | 33 |
| 1980 | 51 |
| 1981 | 33 |
| 1982 | 39 |
| 1983 | 39 |
| 1984 | 46 |
| 1985 | 49 |
| 1986 | 47 |
| 1987 | 50 |
| 1988 | 41 |
| 1989 | 38 |
| 1990 | 35 |
| 1991 | 42 |
| 1992 | 42 |
| 1993 | 20 |
| 1994 | 36 |
| 1995 | 42 |
| 1996 | 34 |
| 1997 | 53 |
| 1998 | 41 |
| 1999 | 65 |
| 2000 | 82 |
| 2001 | 88 |
| 2002 | 86 |
| 2003 | 137 |
| 2004 | 135 |
| 2005 | 147 |
| 2006 | 156 |
| 2007 | 165 |
| 2008 | 147 |
| 2009 | 137 |
| 2010 | 152 |
| 2011 | 144 |
| 2012 | 170 |
| 2013 | 163 |
| 2014 | 142 |
| 2015 | 132 |
| 2016 | 117 |
| 2017 | 108 |
| 2018 | 106 |
| 2019 | 99 |
| 2020 | 110 |
| 2021 | 93 |
| 2022 | 104 |
| 2023 | 84 |
| 2024 | 98 |
| 2025 | 42 |