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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 3 |
| 1975 | 6 |
| 1976 | 10 |
| 1977 | 3 |
| 1978 | 6 |
| 1979 | 14 |
| 1980 | 15 |
| 1981 | 17 |
| 1982 | 22 |
| 1983 | 19 |
| 1984 | 18 |
| 1985 | 26 |
| 1986 | 47 |
| 1987 | 60 |
| 1988 | 86 |
| 1989 | 100 |
| 1990 | 119 |
| 1991 | 120 |
| 1992 | 158 |
| 1993 | 174 |
| 1994 | 214 |
| 1995 | 184 |
| 1996 | 230 |
| 1997 | 247 |
| 1998 | 239 |
| 1999 | 259 |
| 2000 | 274 |
| 2001 | 329 |
| 2002 | 316 |
| 2003 | 324 |
| 2004 | 315 |
| 2005 | 350 |
| 2006 | 353 |
| 2007 | 376 |
| 2008 | 355 |
| 2009 | 415 |
| 2010 | 423 |
| 2011 | 484 |
| 2012 | 484 |
| 2013 | 538 |
| 2014 | 537 |
| 2015 | 551 |
| 2016 | 561 |
| 2017 | 553 |
| 2018 | 570 |
| 2019 | 500 |
| 2020 | 412 |
| 2021 | 337 |
| 2022 | 58 |
| 2023 | 13 |
| 2024 | 84 |