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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1988 | 9 |
| 1989 | 11 |
| 1990 | 33 |
| 1991 | 41 |
| 1992 | 44 |
| 1993 | 54 |
| 1994 | 43 |
| 1995 | 42 |
| 1996 | 50 |
| 1997 | 57 |
| 1998 | 74 |
| 1999 | 92 |
| 2000 | 86 |
| 2001 | 82 |
| 2002 | 100 |
| 2003 | 91 |
| 2004 | 122 |
| 2005 | 147 |
| 2006 | 185 |
| 2007 | 227 |
| 2008 | 243 |
| 2009 | 253 |
| 2010 | 223 |
| 2011 | 287 |
| 2012 | 352 |
| 2013 | 425 |
| 2014 | 461 |
| 2015 | 520 |
| 2016 | 491 |
| 2017 | 584 |
| 2018 | 642 |
| 2019 | 634 |
| 2020 | 487 |
| 2021 | 202 |
| 2022 | 37 |
| 2023 | 60 |
| 2024 | 480 |
| 2025 | 463 |