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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1977 | 2 |
| 1987 | 1 |
| 1988 | 7 |
| 1989 | 43 |
| 1990 | 125 |
| 1991 | 145 |
| 1992 | 144 |
| 1993 | 180 |
| 1994 | 174 |
| 1995 | 169 |
| 1996 | 173 |
| 1997 | 197 |
| 1998 | 154 |
| 1999 | 219 |
| 2000 | 161 |
| 2001 | 181 |
| 2002 | 123 |
| 2003 | 142 |
| 2004 | 162 |
| 2005 | 162 |
| 2006 | 156 |
| 2007 | 150 |
| 2008 | 141 |
| 2009 | 156 |
| 2010 | 150 |
| 2011 | 171 |
| 2012 | 182 |
| 2013 | 145 |
| 2014 | 110 |
| 2015 | 93 |
| 2016 | 88 |
| 2017 | 122 |
| 2018 | 90 |
| 2019 | 100 |
| 2020 | 100 |
| 2021 | 57 |
| 2022 | 28 |
| 2023 | 11 |
| 2024 | 5 |