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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 33 |
| 1967 | 39 |
| 1968 | 66 |
| 1969 | 94 |
| 1970 | 65 |
| 1971 | 69 |
| 1972 | 64 |
| 1973 | 46 |
| 1974 | 49 |
| 1975 | 34 |
| 1976 | 26 |
| 1977 | 22 |
| 1978 | 31 |
| 1979 | 27 |
| 1980 | 27 |
| 1981 | 21 |
| 1982 | 22 |
| 1983 | 25 |
| 1984 | 46 |
| 1985 | 38 |
| 1986 | 33 |
| 1987 | 25 |
| 1988 | 31 |
| 1989 | 36 |
| 1990 | 37 |
| 1991 | 47 |
| 1992 | 48 |
| 1993 | 60 |
| 1994 | 65 |
| 1995 | 79 |
| 1996 | 120 |
| 1997 | 176 |
| 1998 | 162 |
| 1999 | 165 |
| 2000 | 219 |
| 2001 | 220 |
| 2002 | 224 |
| 2003 | 252 |
| 2004 | 292 |
| 2005 | 344 |
| 2006 | 417 |
| 2007 | 410 |
| 2008 | 404 |
| 2009 | 401 |
| 2010 | 421 |
| 2011 | 431 |
| 2012 | 485 |
| 2013 | 501 |
| 2014 | 474 |
| 2015 | 433 |
| 2016 | 438 |
| 2017 | 473 |
| 2018 | 483 |
| 2019 | 428 |
| 2020 | 454 |
| 2021 | 361 |
| 2022 | 281 |
| 2023 | 304 |
| 2024 | 288 |