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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1967 | 2 |
| 1972 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 10 |
| 1992 | 68 |
| 1993 | 101 |
| 1994 | 192 |
| 1995 | 241 |
| 1996 | 347 |
| 1997 | 348 |
| 1998 | 393 |
| 1999 | 475 |
| 2000 | 494 |
| 2001 | 461 |
| 2002 | 417 |
| 2003 | 474 |
| 2004 | 554 |
| 2005 | 596 |
| 2006 | 603 |
| 2007 | 592 |
| 2008 | 679 |
| 2009 | 737 |
| 2010 | 736 |
| 2011 | 721 |
| 2012 | 680 |
| 2013 | 694 |
| 2014 | 653 |
| 2015 | 570 |
| 2016 | 226 |
| 2017 | 66 |
| 2018 | 23 |
| 2019 | 23 |
| 2020 | 14 |
| 2021 | 11 |
| 2022 | 14 |
| 2023 | 17 |
| 2024 | 7 |
| 2025 | 0 |