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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 3 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 6 |
| 1979 | 9 |
| 1980 | 31 |
| 1981 | 258 |
| 1982 | 550 |
| 1983 | 643 |
| 1984 | 705 |
| 1985 | 767 |
| 1986 | 881 |
| 1987 | 849 |
| 1988 | 836 |
| 1989 | 844 |
| 1990 | 897 |
| 1991 | 929 |
| 1992 | 842 |
| 1993 | 813 |
| 1994 | 747 |
| 1995 | 797 |
| 1996 | 775 |
| 1997 | 747 |
| 1998 | 718 |
| 1999 | 717 |
| 2000 | 693 |
| 2001 | 742 |
| 2002 | 750 |
| 2003 | 796 |
| 2004 | 826 |
| 2005 | 872 |
| 2006 | 897 |
| 2007 | 887 |
| 2008 | 881 |
| 2009 | 875 |
| 2010 | 823 |
| 2011 | 852 |
| 2012 | 873 |
| 2013 | 851 |
| 2014 | 805 |
| 2015 | 755 |
| 2016 | 648 |
| 2017 | 614 |
| 2018 | 552 |
| 2019 | 535 |
| 2020 | 486 |
| 2021 | 404 |
| 2022 | 403 |
| 2023 | 314 |
| 2024 | 333 |
| 2025 | 177 |