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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1968 | 6 |
| 1970 | 3 |
| 1971 | 15 |
| 1972 | 7 |
| 1973 | 40 |
| 1974 | 477 |
| 1975 | 766 |
| 1976 | 780 |
| 1977 | 783 |
| 1978 | 675 |
| 1979 | 693 |
| 1980 | 651 |
| 1981 | 569 |
| 1982 | 602 |
| 1983 | 639 |
| 1984 | 588 |
| 1985 | 576 |
| 1986 | 698 |
| 1987 | 738 |
| 1988 | 838 |
| 1989 | 757 |
| 1990 | 903 |
| 1991 | 883 |
| 1992 | 824 |
| 1993 | 809 |
| 1994 | 848 |
| 1995 | 815 |
| 1996 | 745 |
| 1997 | 605 |
| 1998 | 583 |
| 1999 | 530 |
| 2000 | 542 |
| 2001 | 460 |
| 2002 | 485 |
| 2003 | 503 |
| 2004 | 523 |
| 2005 | 467 |
| 2006 | 503 |
| 2007 | 529 |
| 2008 | 526 |
| 2009 | 493 |
| 2010 | 466 |
| 2011 | 420 |
| 2012 | 437 |
| 2013 | 440 |
| 2014 | 428 |
| 2015 | 472 |
| 2016 | 400 |
| 2017 | 416 |
| 2018 | 343 |
| 2019 | 280 |
| 2020 | 250 |
| 2021 | 198 |
| 2022 | 39 |
| 2023 | 19 |
| 2024 | 7 |