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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1976 | 4 |
| 1986 | 5 |
| 1987 | 68 |
| 1988 | 101 |
| 1989 | 103 |
| 1990 | 99 |
| 1991 | 134 |
| 1992 | 124 |
| 1993 | 100 |
| 1994 | 97 |
| 1995 | 120 |
| 1996 | 98 |
| 1997 | 112 |
| 1998 | 120 |
| 1999 | 142 |
| 2000 | 117 |
| 2001 | 134 |
| 2002 | 133 |
| 2003 | 109 |
| 2004 | 119 |
| 2005 | 150 |
| 2006 | 197 |
| 2007 | 194 |
| 2008 | 199 |
| 2009 | 191 |
| 2010 | 208 |
| 2011 | 250 |
| 2012 | 233 |
| 2013 | 216 |
| 2014 | 201 |
| 2015 | 169 |
| 2016 | 164 |
| 2017 | 155 |
| 2018 | 164 |
| 2019 | 174 |
| 2020 | 136 |
| 2021 | 59 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 9 |