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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1980 | 1 |
| 1981 | 2 |
| 1991 | 30 |
| 1992 | 42 |
| 1993 | 50 |
| 1994 | 54 |
| 1995 | 48 |
| 1996 | 67 |
| 1997 | 78 |
| 1998 | 65 |
| 1999 | 44 |
| 2000 | 50 |
| 2001 | 75 |
| 2002 | 65 |
| 2003 | 81 |
| 2004 | 75 |
| 2005 | 74 |
| 2006 | 79 |
| 2007 | 83 |
| 2008 | 99 |
| 2009 | 114 |
| 2010 | 131 |
| 2011 | 153 |
| 2012 | 130 |
| 2013 | 119 |
| 2014 | 109 |
| 2015 | 131 |
| 2016 | 118 |
| 2017 | 115 |
| 2018 | 106 |
| 2019 | 115 |
| 2020 | 85 |
| 2021 | 86 |
| 2022 | 64 |
| 2023 | 67 |
| 2024 | 111 |
| 2025 | 75 |