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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 12 |
| 1967 | 10 |
| 1968 | 21 |
| 1969 | 47 |
| 1970 | 25 |
| 1971 | 23 |
| 1972 | 22 |
| 1973 | 42 |
| 1974 | 27 |
| 1975 | 42 |
| 1976 | 91 |
| 1977 | 95 |
| 1978 | 65 |
| 1979 | 67 |
| 1980 | 39 |
| 1981 | 40 |
| 1982 | 49 |
| 1983 | 28 |
| 1984 | 40 |
| 1985 | 35 |
| 1986 | 42 |
| 1987 | 41 |
| 1988 | 43 |
| 1989 | 29 |
| 1990 | 37 |
| 1991 | 33 |
| 1992 | 41 |
| 1993 | 49 |
| 1994 | 45 |
| 1995 | 56 |
| 1996 | 65 |
| 1997 | 69 |
| 1998 | 74 |
| 1999 | 86 |
| 2000 | 123 |
| 2001 | 133 |
| 2002 | 150 |
| 2003 | 195 |
| 2004 | 236 |
| 2005 | 242 |
| 2006 | 300 |
| 2007 | 275 |
| 2008 | 305 |
| 2009 | 439 |
| 2010 | 578 |
| 2011 | 747 |
| 2012 | 690 |
| 2013 | 680 |
| 2014 | 616 |
| 2015 | 577 |
| 2016 | 501 |
| 2017 | 486 |
| 2018 | 469 |
| 2019 | 479 |
| 2020 | 385 |
| 2021 | 306 |
| 2022 | 237 |
| 2023 | 187 |
| 2024 | 88 |