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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 55 |
| 1967 | 105 |
| 1968 | 158 |
| 1969 | 187 |
| 1970 | 164 |
| 1971 | 196 |
| 1972 | 181 |
| 1973 | 183 |
| 1974 | 174 |
| 1975 | 165 |
| 1976 | 166 |
| 1977 | 158 |
| 1978 | 165 |
| 1979 | 146 |
| 1980 | 131 |
| 1981 | 145 |
| 1982 | 168 |
| 1983 | 150 |
| 1984 | 133 |
| 1985 | 141 |
| 1986 | 122 |
| 1987 | 147 |
| 1988 | 147 |
| 1989 | 148 |
| 1990 | 134 |
| 1991 | 114 |
| 1992 | 98 |
| 1993 | 125 |
| 1994 | 120 |
| 1995 | 107 |
| 1996 | 99 |
| 1997 | 125 |
| 1998 | 158 |
| 1999 | 127 |
| 2000 | 132 |
| 2001 | 113 |
| 2002 | 135 |
| 2003 | 139 |
| 2004 | 108 |
| 2005 | 139 |
| 2006 | 142 |
| 2007 | 161 |
| 2008 | 178 |
| 2009 | 172 |
| 2010 | 153 |
| 2011 | 144 |
| 2012 | 180 |
| 2013 | 179 |
| 2014 | 180 |
| 2015 | 182 |
| 2016 | 156 |
| 2017 | 144 |
| 2018 | 145 |
| 2019 | 111 |
| 2020 | 93 |
| 2021 | 87 |
| 2022 | 22 |
| 2023 | 2 |
| 2024 | 0 |