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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 7 |
| 1968 | 7 |
| 1969 | 13 |
| 1970 | 19 |
| 1971 | 20 |
| 1972 | 33 |
| 1973 | 27 |
| 1974 | 33 |
| 1975 | 34 |
| 1976 | 38 |
| 1977 | 57 |
| 1978 | 48 |
| 1979 | 49 |
| 1980 | 52 |
| 1981 | 51 |
| 1982 | 71 |
| 1983 | 83 |
| 1984 | 110 |
| 1985 | 106 |
| 1986 | 79 |
| 1987 | 93 |
| 1988 | 94 |
| 1989 | 89 |
| 1990 | 88 |
| 1991 | 94 |
| 1992 | 112 |
| 1993 | 123 |
| 1994 | 104 |
| 1995 | 91 |
| 1996 | 99 |
| 1997 | 113 |
| 1998 | 125 |
| 1999 | 141 |
| 2000 | 108 |
| 2001 | 129 |
| 2002 | 124 |
| 2003 | 131 |
| 2004 | 146 |
| 2005 | 117 |
| 2006 | 151 |
| 2007 | 146 |
| 2008 | 163 |
| 2009 | 170 |
| 2010 | 166 |
| 2011 | 203 |
| 2012 | 228 |
| 2013 | 204 |
| 2014 | 255 |
| 2015 | 224 |
| 2016 | 242 |
| 2017 | 216 |
| 2018 | 201 |
| 2019 | 200 |
| 2020 | 141 |
| 2021 | 147 |
| 2022 | 20 |
| 2023 | 5 |
| 2024 | 2 |