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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1991 | 10 |
| 1992 | 31 |
| 1993 | 17 |
| 1994 | 21 |
| 1995 | 20 |
| 1996 | 17 |
| 1997 | 33 |
| 1998 | 28 |
| 1999 | 42 |
| 2000 | 42 |
| 2001 | 37 |
| 2002 | 44 |
| 2003 | 41 |
| 2004 | 59 |
| 2005 | 59 |
| 2006 | 72 |
| 2007 | 89 |
| 2008 | 69 |
| 2009 | 92 |
| 2010 | 74 |
| 2011 | 89 |
| 2012 | 112 |
| 2013 | 121 |
| 2014 | 109 |
| 2015 | 151 |
| 2016 | 132 |
| 2017 | 125 |
| 2018 | 98 |
| 2019 | 99 |
| 2020 | 76 |
| 2021 | 104 |
| 2022 | 286 |
| 2023 | 223 |
| 2024 | 168 |