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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 1 |
| 1965 | 20 |
| 1966 | 25 |
| 1967 | 28 |
| 1968 | 24 |
| 1969 | 41 |
| 1970 | 39 |
| 1971 | 25 |
| 1972 | 36 |
| 1973 | 39 |
| 1974 | 39 |
| 1975 | 32 |
| 1976 | 23 |
| 1977 | 22 |
| 1978 | 37 |
| 1979 | 35 |
| 1980 | 33 |
| 1981 | 35 |
| 1982 | 31 |
| 1983 | 42 |
| 1984 | 47 |
| 1985 | 52 |
| 1986 | 33 |
| 1987 | 69 |
| 1988 | 49 |
| 1989 | 50 |
| 1990 | 49 |
| 1991 | 52 |
| 1992 | 54 |
| 1993 | 57 |
| 1994 | 91 |
| 1995 | 66 |
| 1996 | 123 |
| 1997 | 82 |
| 1998 | 115 |
| 1999 | 166 |
| 2000 | 236 |
| 2001 | 272 |
| 2002 | 279 |
| 2003 | 310 |
| 2004 | 359 |
| 2005 | 406 |
| 2006 | 377 |
| 2007 | 375 |
| 2008 | 467 |
| 2009 | 525 |
| 2010 | 580 |
| 2011 | 641 |
| 2012 | 696 |
| 2013 | 707 |
| 2014 | 801 |
| 2015 | 788 |
| 2016 | 809 |
| 2017 | 764 |
| 2018 | 762 |
| 2019 | 762 |
| 2020 | 981 |
| 2021 | 977 |
| 2022 | 932 |
| 2023 | 798 |
| 2024 | 812 |
| 2025 | 413 |