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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1970 | 1 |
| 1976 | 12 |
| 1982 | 1 |
| 1985 | 9 |
| 1986 | 51 |
| 1987 | 152 |
| 1988 | 183 |
| 1989 | 144 |
| 1990 | 120 |
| 1991 | 170 |
| 1992 | 183 |
| 1993 | 199 |
| 1994 | 215 |
| 1995 | 230 |
| 1996 | 175 |
| 1997 | 177 |
| 1998 | 217 |
| 1999 | 204 |
| 2000 | 188 |
| 2001 | 181 |
| 2002 | 210 |
| 2003 | 260 |
| 2004 | 199 |
| 2005 | 183 |
| 2006 | 288 |
| 2007 | 283 |
| 2008 | 312 |
| 2009 | 292 |
| 2010 | 327 |
| 2011 | 240 |
| 2012 | 271 |
| 2013 | 230 |
| 2014 | 247 |
| 2015 | 221 |
| 2016 | 193 |
| 2017 | 169 |
| 2018 | 159 |
| 2019 | 146 |
| 2020 | 119 |
| 2021 | 56 |
| 2022 | 6 |
| 2023 | 1 |
| 2024 | 0 |