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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 10 |
| 1967 | 25 |
| 1968 | 22 |
| 1969 | 26 |
| 1970 | 37 |
| 1971 | 68 |
| 1972 | 47 |
| 1973 | 63 |
| 1974 | 52 |
| 1975 | 67 |
| 1976 | 77 |
| 1977 | 64 |
| 1978 | 64 |
| 1979 | 41 |
| 1980 | 46 |
| 1981 | 71 |
| 1982 | 66 |
| 1983 | 55 |
| 1984 | 44 |
| 1985 | 72 |
| 1986 | 59 |
| 1987 | 82 |
| 1988 | 82 |
| 1989 | 115 |
| 1990 | 98 |
| 1991 | 124 |
| 1992 | 159 |
| 1993 | 160 |
| 1994 | 170 |
| 1995 | 145 |
| 1996 | 200 |
| 1997 | 166 |
| 1998 | 199 |
| 1999 | 159 |
| 2000 | 203 |
| 2001 | 189 |
| 2002 | 231 |
| 2003 | 281 |
| 2004 | 230 |
| 2005 | 336 |
| 2006 | 311 |
| 2007 | 304 |
| 2008 | 341 |
| 2009 | 390 |
| 2010 | 368 |
| 2011 | 368 |
| 2012 | 411 |
| 2013 | 446 |
| 2014 | 498 |
| 2015 | 578 |
| 2016 | 579 |
| 2017 | 517 |
| 2018 | 503 |
| 2019 | 547 |
| 2020 | 403 |
| 2021 | 309 |
| 2022 | 191 |
| 2023 | 164 |
| 2024 | 405 |
| 2025 | 242 |