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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1981 | 1 |
| 1987 | 1 |
| 1989 | 3 |
| 1990 | 20 |
| 1991 | 80 |
| 1992 | 101 |
| 1993 | 117 |
| 1994 | 133 |
| 1995 | 90 |
| 1996 | 111 |
| 1997 | 181 |
| 1998 | 165 |
| 1999 | 141 |
| 2000 | 158 |
| 2001 | 220 |
| 2002 | 157 |
| 2003 | 193 |
| 2004 | 197 |
| 2005 | 210 |
| 2006 | 208 |
| 2007 | 256 |
| 2008 | 271 |
| 2009 | 229 |
| 2010 | 297 |
| 2011 | 360 |
| 2012 | 445 |
| 2013 | 460 |
| 2014 | 570 |
| 2015 | 614 |
| 2016 | 687 |
| 2017 | 610 |
| 2018 | 534 |
| 2019 | 615 |
| 2020 | 560 |
| 2021 | 348 |
| 2022 | 134 |
| 2023 | 130 |
| 2024 | 356 |