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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 12 |
| 1965 | 84 |
| 1966 | 160 |
| 1967 | 147 |
| 1968 | 134 |
| 1969 | 144 |
| 1970 | 135 |
| 1971 | 163 |
| 1972 | 205 |
| 1973 | 201 |
| 1974 | 215 |
| 1975 | 230 |
| 1976 | 200 |
| 1977 | 184 |
| 1978 | 205 |
| 1979 | 217 |
| 1980 | 201 |
| 1981 | 206 |
| 1982 | 247 |
| 1983 | 218 |
| 1984 | 258 |
| 1985 | 229 |
| 1986 | 195 |
| 1987 | 229 |
| 1988 | 190 |
| 1989 | 230 |
| 1990 | 176 |
| 1991 | 184 |
| 1992 | 165 |
| 1993 | 166 |
| 1994 | 150 |
| 1995 | 168 |
| 1996 | 173 |
| 1997 | 206 |
| 1998 | 191 |
| 1999 | 164 |
| 2000 | 192 |
| 2001 | 155 |
| 2002 | 201 |
| 2003 | 182 |
| 2004 | 181 |
| 2005 | 183 |
| 2006 | 204 |
| 2007 | 216 |
| 2008 | 260 |
| 2009 | 261 |
| 2010 | 249 |
| 2011 | 219 |
| 2012 | 229 |
| 2013 | 214 |
| 2014 | 165 |
| 2015 | 158 |
| 2016 | 138 |
| 2017 | 119 |
| 2018 | 123 |
| 2019 | 99 |
| 2020 | 104 |
| 2021 | 77 |
| 2022 | 18 |
| 2023 | 2 |
| 2024 | 0 |