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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 5 |
| 1971 | 1 |
| 1978 | 1 |
| 1985 | 3 |
| 1986 | 12 |
| 1987 | 13 |
| 1988 | 15 |
| 1989 | 27 |
| 1990 | 48 |
| 1991 | 110 |
| 1992 | 108 |
| 1993 | 138 |
| 1994 | 123 |
| 1995 | 135 |
| 1996 | 137 |
| 1997 | 135 |
| 1998 | 168 |
| 1999 | 163 |
| 2000 | 173 |
| 2001 | 191 |
| 2002 | 208 |
| 2003 | 248 |
| 2004 | 299 |
| 2005 | 331 |
| 2006 | 399 |
| 2007 | 412 |
| 2008 | 475 |
| 2009 | 499 |
| 2010 | 566 |
| 2011 | 622 |
| 2012 | 709 |
| 2013 | 810 |
| 2014 | 844 |
| 2015 | 846 |
| 2016 | 717 |
| 2017 | 774 |
| 2018 | 715 |
| 2019 | 754 |
| 2020 | 713 |
| 2021 | 598 |
| 2022 | 419 |
| 2023 | 353 |
| 2024 | 357 |