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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 24 |
| 1975 | 22 |
| 1976 | 40 |
| 1977 | 31 |
| 1978 | 7 |
| 1979 | 52 |
| 1980 | 85 |
| 1981 | 137 |
| 1982 | 110 |
| 1983 | 96 |
| 1984 | 116 |
| 1985 | 118 |
| 1986 | 122 |
| 1987 | 122 |
| 1988 | 209 |
| 1989 | 188 |
| 1990 | 166 |
| 1991 | 156 |
| 1992 | 157 |
| 1993 | 177 |
| 1994 | 237 |
| 1995 | 171 |
| 1996 | 192 |
| 1997 | 216 |
| 1998 | 237 |
| 1999 | 241 |
| 2000 | 258 |
| 2001 | 226 |
| 2002 | 239 |
| 2003 | 286 |
| 2004 | 324 |
| 2005 | 515 |
| 2006 | 543 |
| 2007 | 416 |
| 2008 | 421 |
| 2009 | 376 |
| 2010 | 451 |
| 2011 | 506 |
| 2012 | 522 |
| 2013 | 395 |
| 2014 | 466 |
| 2015 | 566 |
| 2016 | 665 |
| 2017 | 643 |
| 2018 | 588 |
| 2019 | 600 |
| 2020 | 663 |
| 2021 | 423 |
| 2022 | 500 |
| 2023 | 508 |
| 2024 | 218 |