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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1976 | 1 |
| 1980 | 4 |
| 1981 | 48 |
| 1982 | 150 |
| 1983 | 123 |
| 1984 | 186 |
| 1985 | 163 |
| 1986 | 141 |
| 1987 | 146 |
| 1988 | 129 |
| 1989 | 148 |
| 1990 | 134 |
| 1991 | 128 |
| 1992 | 155 |
| 1993 | 133 |
| 1994 | 130 |
| 1995 | 107 |
| 1996 | 99 |
| 1997 | 117 |
| 1998 | 82 |
| 1999 | 117 |
| 2000 | 129 |
| 2001 | 183 |
| 2002 | 181 |
| 2003 | 179 |
| 2004 | 216 |
| 2005 | 203 |
| 2006 | 225 |
| 2007 | 283 |
| 2008 | 356 |
| 2009 | 361 |
| 2010 | 408 |
| 2011 | 358 |
| 2012 | 393 |
| 2013 | 352 |
| 2014 | 351 |
| 2015 | 343 |
| 2016 | 344 |
| 2017 | 307 |
| 2018 | 281 |
| 2019 | 263 |
| 2020 | 389 |
| 2021 | 232 |
| 2022 | 33 |
| 2023 | 19 |
| 2024 | 24 |