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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 31 |
| 1967 | 147 |
| 1968 | 339 |
| 1969 | 467 |
| 1970 | 562 |
| 1971 | 705 |
| 1972 | 841 |
| 1973 | 708 |
| 1974 | 722 |
| 1975 | 764 |
| 1976 | 846 |
| 1977 | 823 |
| 1978 | 751 |
| 1979 | 822 |
| 1980 | 787 |
| 1981 | 714 |
| 1982 | 680 |
| 1983 | 543 |
| 1984 | 597 |
| 1985 | 617 |
| 1986 | 591 |
| 1987 | 587 |
| 1988 | 499 |
| 1989 | 521 |
| 1990 | 587 |
| 1991 | 591 |
| 1992 | 543 |
| 1993 | 605 |
| 1994 | 564 |
| 1995 | 595 |
| 1996 | 575 |
| 1997 | 528 |
| 1998 | 628 |
| 1999 | 642 |
| 2000 | 727 |
| 2001 | 717 |
| 2002 | 628 |
| 2003 | 672 |
| 2004 | 714 |
| 2005 | 718 |
| 2006 | 659 |
| 2007 | 690 |
| 2008 | 783 |
| 2009 | 771 |
| 2010 | 704 |
| 2011 | 770 |
| 2012 | 815 |
| 2013 | 753 |
| 2014 | 692 |
| 2015 | 658 |
| 2016 | 538 |
| 2017 | 477 |
| 2018 | 459 |
| 2019 | 419 |
| 2020 | 404 |
| 2021 | 296 |
| 2022 | 35 |
| 2023 | 5 |
| 2024 | 57 |