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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1974 | 1 |
| 1978 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 13 |
| 1991 | 81 |
| 1992 | 131 |
| 1993 | 136 |
| 1994 | 192 |
| 1995 | 200 |
| 1996 | 167 |
| 1997 | 176 |
| 1998 | 189 |
| 1999 | 180 |
| 2000 | 227 |
| 2001 | 235 |
| 2002 | 181 |
| 2003 | 155 |
| 2004 | 121 |
| 2005 | 159 |
| 2006 | 176 |
| 2007 | 186 |
| 2008 | 176 |
| 2009 | 133 |
| 2010 | 177 |
| 2011 | 180 |
| 2012 | 195 |
| 2013 | 171 |
| 2014 | 187 |
| 2015 | 163 |
| 2016 | 173 |
| 2017 | 176 |
| 2018 | 163 |
| 2019 | 153 |
| 2020 | 130 |
| 2021 | 134 |
| 2022 | 78 |
| 2023 | 74 |
| 2024 | 57 |