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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 6 |
| 1967 | 7 |
| 1968 | 6 |
| 1969 | 9 |
| 1970 | 11 |
| 1971 | 11 |
| 1972 | 9 |
| 1973 | 29 |
| 1974 | 33 |
| 1975 | 20 |
| 1976 | 16 |
| 1977 | 23 |
| 1978 | 20 |
| 1979 | 28 |
| 1980 | 28 |
| 1981 | 34 |
| 1982 | 50 |
| 1983 | 40 |
| 1984 | 45 |
| 1985 | 45 |
| 1986 | 59 |
| 1987 | 57 |
| 1988 | 72 |
| 1989 | 54 |
| 1990 | 78 |
| 1991 | 82 |
| 1992 | 111 |
| 1993 | 159 |
| 1994 | 167 |
| 1995 | 204 |
| 1996 | 247 |
| 1997 | 333 |
| 1998 | 285 |
| 1999 | 278 |
| 2000 | 306 |
| 2001 | 303 |
| 2002 | 333 |
| 2003 | 436 |
| 2004 | 381 |
| 2005 | 465 |
| 2006 | 500 |
| 2007 | 536 |
| 2008 | 544 |
| 2009 | 613 |
| 2010 | 659 |
| 2011 | 658 |
| 2012 | 792 |
| 2013 | 733 |
| 2014 | 757 |
| 2015 | 766 |
| 2016 | 664 |
| 2017 | 698 |
| 2018 | 627 |
| 2019 | 595 |
| 2020 | 524 |
| 2021 | 340 |
| 2022 | 46 |
| 2023 | 32 |
| 2024 | 404 |
| 2025 | 364 |