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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 2 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1973 | 3 |
| 1974 | 5 |
| 1975 | 11 |
| 1976 | 6 |
| 1977 | 13 |
| 1978 | 18 |
| 1979 | 20 |
| 1980 | 24 |
| 1981 | 19 |
| 1982 | 15 |
| 1983 | 18 |
| 1984 | 24 |
| 1985 | 40 |
| 1986 | 33 |
| 1987 | 56 |
| 1988 | 53 |
| 1989 | 72 |
| 1990 | 75 |
| 1991 | 79 |
| 1992 | 115 |
| 1993 | 144 |
| 1994 | 133 |
| 1995 | 179 |
| 1996 | 205 |
| 1997 | 192 |
| 1998 | 216 |
| 1999 | 219 |
| 2000 | 260 |
| 2001 | 219 |
| 2002 | 262 |
| 2003 | 229 |
| 2004 | 228 |
| 2005 | 292 |
| 2006 | 265 |
| 2007 | 256 |
| 2008 | 289 |
| 2009 | 299 |
| 2010 | 343 |
| 2011 | 322 |
| 2012 | 338 |
| 2013 | 327 |
| 2014 | 255 |
| 2015 | 301 |
| 2016 | 225 |
| 2017 | 210 |
| 2018 | 209 |
| 2019 | 264 |
| 2020 | 265 |
| 2021 | 275 |
| 2022 | 402 |
| 2023 | 338 |
| 2024 | 104 |