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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 1 |
| 1987 | 5 |
| 1988 | 13 |
| 1989 | 25 |
| 1990 | 32 |
| 1991 | 16 |
| 1992 | 32 |
| 1993 | 24 |
| 1994 | 16 |
| 1995 | 44 |
| 1996 | 46 |
| 1997 | 70 |
| 1998 | 77 |
| 1999 | 63 |
| 2000 | 70 |
| 2001 | 83 |
| 2002 | 69 |
| 2003 | 83 |
| 2004 | 74 |
| 2005 | 77 |
| 2006 | 119 |
| 2007 | 136 |
| 2008 | 123 |
| 2009 | 143 |
| 2010 | 136 |
| 2011 | 159 |
| 2012 | 138 |
| 2013 | 113 |
| 2014 | 127 |
| 2015 | 132 |
| 2016 | 140 |
| 2017 | 139 |
| 2018 | 134 |
| 2019 | 115 |
| 2020 | 96 |
| 2021 | 62 |
| 2022 | 27 |
| 2023 | 18 |
| 2024 | 70 |