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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1975 | 3 |
| 1977 | 26 |
| 1978 | 162 |
| 1979 | 234 |
| 1980 | 190 |
| 1981 | 297 |
| 1982 | 324 |
| 1983 | 412 |
| 1984 | 329 |
| 1985 | 339 |
| 1986 | 366 |
| 1987 | 413 |
| 1988 | 359 |
| 1989 | 451 |
| 1990 | 349 |
| 1991 | 404 |
| 1992 | 450 |
| 1993 | 498 |
| 1994 | 415 |
| 1995 | 417 |
| 1996 | 408 |
| 1997 | 426 |
| 1998 | 332 |
| 1999 | 413 |
| 2000 | 320 |
| 2001 | 351 |
| 2002 | 286 |
| 2003 | 275 |
| 2004 | 275 |
| 2005 | 299 |
| 2006 | 286 |
| 2007 | 260 |
| 2008 | 251 |
| 2009 | 257 |
| 2010 | 253 |
| 2011 | 255 |
| 2012 | 284 |
| 2013 | 238 |
| 2014 | 191 |
| 2015 | 174 |
| 2016 | 150 |
| 2017 | 187 |
| 2018 | 146 |
| 2019 | 157 |
| 2020 | 204 |
| 2021 | 171 |
| 2022 | 88 |
| 2023 | 100 |
| 2024 | 62 |