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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 5 |
| 1970 | 12 |
| 1971 | 11 |
| 1972 | 17 |
| 1973 | 15 |
| 1974 | 5 |
| 1975 | 4 |
| 1976 | 8 |
| 1977 | 7 |
| 1978 | 65 |
| 1979 | 215 |
| 1980 | 330 |
| 1981 | 386 |
| 1982 | 444 |
| 1983 | 546 |
| 1984 | 575 |
| 1985 | 668 |
| 1986 | 708 |
| 1987 | 706 |
| 1988 | 671 |
| 1989 | 812 |
| 1990 | 879 |
| 1991 | 932 |
| 1992 | 915 |
| 1993 | 859 |
| 1994 | 817 |
| 1995 | 852 |
| 1996 | 797 |
| 1997 | 788 |
| 1998 | 808 |
| 1999 | 742 |
| 2000 | 722 |
| 2001 | 761 |
| 2002 | 688 |
| 2003 | 619 |
| 2004 | 741 |
| 2005 | 687 |
| 2006 | 789 |
| 2007 | 861 |
| 2008 | 728 |
| 2009 | 808 |
| 2010 | 864 |
| 2011 | 948 |
| 2012 | 884 |
| 2013 | 914 |
| 2014 | 837 |
| 2015 | 827 |
| 2016 | 790 |
| 2017 | 747 |
| 2018 | 720 |
| 2019 | 703 |
| 2020 | 650 |
| 2021 | 579 |
| 2022 | 89 |
| 2023 | 14 |
| 2024 | 1 |