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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 3 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 7 |
| 1988 | 6 |
| 1989 | 18 |
| 1990 | 19 |
| 1991 | 48 |
| 1992 | 108 |
| 1993 | 224 |
| 1994 | 351 |
| 1995 | 524 |
| 1996 | 611 |
| 1997 | 647 |
| 1998 | 506 |
| 1999 | 423 |
| 2000 | 375 |
| 2001 | 540 |
| 2002 | 519 |
| 2003 | 521 |
| 2004 | 657 |
| 2005 | 734 |
| 2006 | 616 |
| 2007 | 603 |
| 2008 | 596 |
| 2009 | 574 |
| 2010 | 597 |
| 2011 | 651 |
| 2012 | 680 |
| 2013 | 590 |
| 2014 | 778 |
| 2015 | 928 |
| 2016 | 682 |
| 2017 | 564 |
| 2018 | 496 |
| 2019 | 376 |
| 2020 | 350 |
| 2021 | 284 |
| 2022 | 42 |
| 2023 | 3 |
| 2024 | 0 |