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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 9 |
| 1968 | 28 |
| 1969 | 26 |
| 1970 | 17 |
| 1971 | 16 |
| 1972 | 30 |
| 1973 | 30 |
| 1974 | 50 |
| 1975 | 98 |
| 1976 | 98 |
| 1977 | 127 |
| 1978 | 154 |
| 1979 | 148 |
| 1980 | 99 |
| 1981 | 109 |
| 1982 | 133 |
| 1983 | 121 |
| 1984 | 102 |
| 1985 | 122 |
| 1986 | 160 |
| 1987 | 156 |
| 1988 | 189 |
| 1989 | 182 |
| 1990 | 172 |
| 1991 | 188 |
| 1992 | 210 |
| 1993 | 232 |
| 1994 | 260 |
| 1995 | 330 |
| 1996 | 301 |
| 1997 | 269 |
| 1998 | 286 |
| 1999 | 302 |
| 2000 | 208 |
| 2001 | 214 |
| 2002 | 172 |
| 2003 | 188 |
| 2004 | 222 |
| 2005 | 225 |
| 2006 | 308 |
| 2007 | 353 |
| 2008 | 334 |
| 2009 | 281 |
| 2010 | 322 |
| 2011 | 275 |
| 2012 | 242 |
| 2013 | 260 |
| 2014 | 225 |
| 2015 | 264 |
| 2016 | 242 |
| 2017 | 214 |
| 2018 | 207 |
| 2019 | 192 |
| 2020 | 161 |
| 2021 | 55 |
| 2022 | 31 |
| 2023 | 19 |
| 2024 | 63 |
| 2025 | 126 |