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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1971 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1988 | 2 |
| 1989 | 8 |
| 1990 | 16 |
| 1991 | 19 |
| 1992 | 10 |
| 1993 | 16 |
| 1994 | 14 |
| 1995 | 24 |
| 1996 | 14 |
| 1997 | 20 |
| 1998 | 49 |
| 1999 | 137 |
| 2000 | 136 |
| 2001 | 164 |
| 2002 | 211 |
| 2003 | 297 |
| 2004 | 364 |
| 2005 | 385 |
| 2006 | 484 |
| 2007 | 544 |
| 2008 | 617 |
| 2009 | 614 |
| 2010 | 549 |
| 2011 | 561 |
| 2012 | 670 |
| 2013 | 746 |
| 2014 | 774 |
| 2015 | 753 |
| 2016 | 693 |
| 2017 | 707 |
| 2018 | 774 |
| 2019 | 788 |
| 2020 | 631 |
| 2021 | 286 |
| 2022 | 39 |
| 2023 | 51 |
| 2024 | 511 |
| 2025 | 377 |