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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 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 4 |
| 1993 | 3 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 5 |
| 1997 | 4 |
| 1998 | 5 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 11 |
| 2002 | 5 |
| 2003 | 15 |
| 2004 | 22 |
| 2005 | 31 |
| 2006 | 37 |
| 2007 | 64 |
| 2008 | 74 |
| 2009 | 99 |
| 2010 | 84 |
| 2011 | 114 |
| 2012 | 170 |
| 2013 | 194 |
| 2014 | 266 |
| 2015 | 308 |
| 2016 | 325 |
| 2017 | 336 |
| 2018 | 354 |
| 2019 | 436 |
| 2020 | 435 |
| 2021 | 473 |
| 2022 | 448 |
| 2023 | 442 |
| 2024 | 398 |
| 2025 | 132 |