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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 6 |
| 1972 | 4 |
| 1973 | 1 |
| 1974 | 6 |
| 1975 | 4 |
| 1976 | 4 |
| 1977 | 49 |
| 1978 | 212 |
| 1979 | 268 |
| 1980 | 365 |
| 1981 | 396 |
| 1982 | 477 |
| 1983 | 445 |
| 1984 | 565 |
| 1985 | 505 |
| 1986 | 495 |
| 1987 | 500 |
| 1988 | 597 |
| 1989 | 898 |
| 1990 | 988 |
| 1991 | 877 |
| 1992 | 801 |
| 1993 | 829 |
| 1994 | 633 |
| 1995 | 659 |
| 1996 | 493 |
| 1997 | 419 |
| 1998 | 505 |
| 1999 | 413 |
| 2000 | 467 |
| 2001 | 406 |
| 2002 | 431 |
| 2003 | 653 |
| 2004 | 651 |
| 2005 | 832 |
| 2006 | 933 |
| 2007 | 977 |
| 2008 | 961 |
| 2009 | 1088 |
| 2010 | 1108 |
| 2011 | 1118 |
| 2012 | 1159 |
| 2013 | 1213 |
| 2014 | 1078 |
| 2015 | 985 |
| 2016 | 855 |
| 2017 | 806 |
| 2018 | 802 |
| 2019 | 740 |
| 2020 | 725 |
| 2021 | 648 |
| 2022 | 509 |
| 2023 | 427 |
| 2024 | 512 |
| 2025 | 1 |