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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1965 | 3 |
| 1966 | 18 |
| 1967 | 32 |
| 1968 | 27 |
| 1969 | 52 |
| 1970 | 41 |
| 1971 | 66 |
| 1972 | 60 |
| 1973 | 69 |
| 1974 | 44 |
| 1975 | 78 |
| 1976 | 65 |
| 1977 | 50 |
| 1978 | 44 |
| 1979 | 48 |
| 1980 | 41 |
| 1981 | 36 |
| 1982 | 50 |
| 1983 | 65 |
| 1984 | 48 |
| 1985 | 63 |
| 1986 | 67 |
| 1987 | 63 |
| 1988 | 73 |
| 1989 | 101 |
| 1990 | 110 |
| 1991 | 94 |
| 1992 | 106 |
| 1993 | 118 |
| 1994 | 136 |
| 1995 | 140 |
| 1996 | 175 |
| 1997 | 147 |
| 1998 | 135 |
| 1999 | 156 |
| 2000 | 210 |
| 2001 | 211 |
| 2002 | 204 |
| 2003 | 233 |
| 2004 | 211 |
| 2005 | 250 |
| 2006 | 304 |
| 2007 | 313 |
| 2008 | 341 |
| 2009 | 427 |
| 2010 | 468 |
| 2011 | 551 |
| 2012 | 598 |
| 2013 | 726 |
| 2014 | 690 |
| 2015 | 744 |
| 2016 | 782 |
| 2017 | 654 |
| 2018 | 605 |
| 2019 | 493 |
| 2020 | 476 |
| 2021 | 347 |
| 2022 | 156 |
| 2023 | 124 |
| 2024 | 28 |