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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1987 | 3 |
| 1988 | 27 |
| 1989 | 22 |
| 1990 | 31 |
| 1991 | 29 |
| 1992 | 24 |
| 1993 | 36 |
| 1994 | 31 |
| 1995 | 27 |
| 1996 | 35 |
| 1997 | 49 |
| 1998 | 34 |
| 1999 | 45 |
| 2000 | 46 |
| 2001 | 51 |
| 2002 | 71 |
| 2003 | 97 |
| 2004 | 89 |
| 2005 | 106 |
| 2006 | 123 |
| 2007 | 126 |
| 2008 | 134 |
| 2009 | 154 |
| 2010 | 149 |
| 2011 | 208 |
| 2012 | 188 |
| 2013 | 249 |
| 2014 | 409 |
| 2015 | 452 |
| 2016 | 530 |
| 2017 | 580 |
| 2018 | 570 |
| 2019 | 670 |
| 2020 | 840 |
| 2021 | 812 |
| 2022 | 666 |
| 2023 | 626 |
| 2024 | 618 |
| 2025 | 5 |