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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 21 |
| 1967 | 52 |
| 1968 | 78 |
| 1969 | 204 |
| 1970 | 138 |
| 1971 | 199 |
| 1972 | 176 |
| 1973 | 256 |
| 1974 | 285 |
| 1975 | 242 |
| 1976 | 223 |
| 1977 | 236 |
| 1978 | 262 |
| 1979 | 282 |
| 1980 | 256 |
| 1981 | 232 |
| 1982 | 277 |
| 1983 | 259 |
| 1984 | 235 |
| 1985 | 254 |
| 1986 | 241 |
| 1987 | 232 |
| 1988 | 254 |
| 1989 | 254 |
| 1990 | 222 |
| 1991 | 222 |
| 1992 | 204 |
| 1993 | 217 |
| 1994 | 193 |
| 1995 | 207 |
| 1996 | 181 |
| 1997 | 193 |
| 1998 | 229 |
| 1999 | 161 |
| 2000 | 170 |
| 2001 | 181 |
| 2002 | 184 |
| 2003 | 198 |
| 2004 | 162 |
| 2005 | 192 |
| 2006 | 178 |
| 2007 | 166 |
| 2008 | 181 |
| 2009 | 198 |
| 2010 | 199 |
| 2011 | 181 |
| 2012 | 219 |
| 2013 | 222 |
| 2014 | 202 |
| 2015 | 199 |
| 2016 | 190 |
| 2017 | 168 |
| 2018 | 178 |
| 2019 | 176 |
| 2020 | 147 |
| 2021 | 93 |
| 2022 | 76 |
| 2023 | 71 |
| 2024 | 111 |
| 2025 | 93 |