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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 3 |
| 1977 | 43 |
| 1978 | 107 |
| 1979 | 188 |
| 1980 | 180 |
| 1981 | 195 |
| 1982 | 229 |
| 1983 | 283 |
| 1984 | 368 |
| 1985 | 369 |
| 1986 | 482 |
| 1987 | 563 |
| 1988 | 594 |
| 1989 | 675 |
| 1990 | 879 |
| 1991 | 861 |
| 1992 | 802 |
| 1993 | 793 |
| 1994 | 827 |
| 1995 | 778 |
| 1996 | 802 |
| 1997 | 772 |
| 1998 | 701 |
| 1999 | 778 |
| 2000 | 705 |
| 2001 | 665 |
| 2002 | 631 |
| 2003 | 598 |
| 2004 | 661 |
| 2005 | 658 |
| 2006 | 688 |
| 2007 | 619 |
| 2008 | 652 |
| 2009 | 652 |
| 2010 | 672 |
| 2011 | 751 |
| 2012 | 739 |
| 2013 | 772 |
| 2014 | 741 |
| 2015 | 645 |
| 2016 | 665 |
| 2017 | 684 |
| 2018 | 592 |
| 2019 | 539 |
| 2020 | 584 |
| 2021 | 635 |
| 2022 | 678 |
| 2023 | 629 |
| 2024 | 1012 |
| 2025 | 686 |