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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 103 |
| 1967 | 106 |
| 1968 | 119 |
| 1969 | 118 |
| 1970 | 151 |
| 1971 | 154 |
| 1972 | 112 |
| 1973 | 142 |
| 1974 | 162 |
| 1975 | 152 |
| 1976 | 141 |
| 1977 | 172 |
| 1978 | 163 |
| 1979 | 138 |
| 1980 | 127 |
| 1981 | 124 |
| 1982 | 136 |
| 1983 | 127 |
| 1984 | 131 |
| 1985 | 118 |
| 1986 | 135 |
| 1987 | 177 |
| 1988 | 183 |
| 1989 | 160 |
| 1990 | 125 |
| 1991 | 238 |
| 1992 | 177 |
| 1993 | 161 |
| 1994 | 131 |
| 1995 | 162 |
| 1996 | 218 |
| 1997 | 172 |
| 1998 | 158 |
| 1999 | 278 |
| 2000 | 169 |
| 2001 | 197 |
| 2002 | 161 |
| 2003 | 173 |
| 2004 | 158 |
| 2005 | 143 |
| 2006 | 128 |
| 2007 | 141 |
| 2008 | 154 |
| 2009 | 132 |
| 2010 | 139 |
| 2011 | 152 |
| 2012 | 138 |
| 2013 | 144 |
| 2014 | 135 |
| 2015 | 147 |
| 2016 | 141 |
| 2017 | 99 |
| 2018 | 97 |
| 2019 | 77 |
| 2020 | 86 |
| 2021 | 56 |
| 2022 | 33 |
| 2023 | 25 |
| 2024 | 13 |