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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 21 |
| 1962 | 21 |
| 1964 | 3 |
| 1965 | 46 |
| 1966 | 68 |
| 1967 | 156 |
| 1968 | 143 |
| 1969 | 150 |
| 1970 | 242 |
| 1971 | 232 |
| 1972 | 205 |
| 1973 | 309 |
| 1974 | 342 |
| 1975 | 309 |
| 1976 | 283 |
| 1977 | 278 |
| 1978 | 341 |
| 1979 | 473 |
| 1980 | 459 |
| 1981 | 619 |
| 1982 | 770 |
| 1983 | 871 |
| 1984 | 838 |
| 1985 | 891 |
| 1986 | 757 |
| 1987 | 803 |
| 1988 | 796 |
| 1989 | 872 |
| 1990 | 786 |
| 1991 | 729 |
| 1992 | 722 |
| 1993 | 686 |
| 1994 | 609 |
| 1995 | 653 |
| 1996 | 572 |
| 1997 | 557 |
| 1998 | 578 |
| 1999 | 541 |
| 2000 | 617 |
| 2001 | 531 |
| 2002 | 542 |
| 2003 | 595 |
| 2004 | 561 |
| 2005 | 548 |
| 2006 | 647 |
| 2007 | 669 |
| 2008 | 698 |
| 2009 | 670 |
| 2010 | 688 |
| 2011 | 740 |
| 2012 | 779 |
| 2013 | 805 |
| 2014 | 866 |
| 2015 | 801 |
| 2016 | 790 |
| 2017 | 800 |
| 2018 | 804 |
| 2019 | 868 |
| 2020 | 801 |
| 2021 | 621 |
| 2022 | 547 |
| 2023 | 508 |
| 2024 | 149 |