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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 14 |
| 1966 | 18 |
| 1967 | 21 |
| 1968 | 38 |
| 1969 | 42 |
| 1970 | 36 |
| 1971 | 84 |
| 1972 | 56 |
| 1973 | 31 |
| 1974 | 36 |
| 1975 | 33 |
| 1976 | 40 |
| 1977 | 49 |
| 1978 | 50 |
| 1979 | 60 |
| 1980 | 47 |
| 1981 | 60 |
| 1982 | 69 |
| 1983 | 77 |
| 1984 | 94 |
| 1985 | 85 |
| 1986 | 91 |
| 1987 | 89 |
| 1988 | 119 |
| 1989 | 151 |
| 1990 | 115 |
| 1991 | 138 |
| 1992 | 115 |
| 1993 | 159 |
| 1994 | 138 |
| 1995 | 129 |
| 1996 | 124 |
| 1997 | 104 |
| 1998 | 107 |
| 1999 | 80 |
| 2000 | 122 |
| 2001 | 98 |
| 2002 | 85 |
| 2003 | 102 |
| 2004 | 105 |
| 2005 | 94 |
| 2006 | 112 |
| 2007 | 106 |
| 2008 | 124 |
| 2009 | 124 |
| 2010 | 119 |
| 2011 | 102 |
| 2012 | 94 |
| 2013 | 101 |
| 2014 | 129 |
| 2015 | 110 |
| 2016 | 104 |
| 2017 | 95 |
| 2018 | 100 |
| 2019 | 100 |
| 2020 | 70 |
| 2021 | 32 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 56 |
| 2025 | 41 |