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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1978 | 1 |
| 1985 | 1 |
| 1987 | 9 |
| 1988 | 3 |
| 1989 | 4 |
| 1990 | 15 |
| 1991 | 6 |
| 1992 | 11 |
| 1993 | 12 |
| 1994 | 10 |
| 1995 | 9 |
| 1996 | 15 |
| 1997 | 20 |
| 1998 | 23 |
| 1999 | 47 |
| 2000 | 57 |
| 2001 | 76 |
| 2002 | 120 |
| 2003 | 125 |
| 2004 | 150 |
| 2005 | 174 |
| 2006 | 199 |
| 2007 | 283 |
| 2008 | 265 |
| 2009 | 293 |
| 2010 | 342 |
| 2011 | 511 |
| 2012 | 427 |
| 2013 | 543 |
| 2014 | 496 |
| 2015 | 533 |
| 2016 | 460 |
| 2017 | 578 |
| 2018 | 507 |
| 2019 | 429 |
| 2020 | 407 |
| 2021 | 213 |
| 2022 | 32 |
| 2023 | 32 |
| 2024 | 709 |
| 2025 | 718 |