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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 22 |
| 1978 | 57 |
| 1979 | 75 |
| 1980 | 80 |
| 1981 | 50 |
| 1982 | 90 |
| 1983 | 99 |
| 1984 | 125 |
| 1985 | 153 |
| 1986 | 135 |
| 1987 | 122 |
| 1988 | 121 |
| 1989 | 158 |
| 1990 | 189 |
| 1991 | 188 |
| 1992 | 220 |
| 1993 | 221 |
| 1994 | 250 |
| 1995 | 253 |
| 1996 | 279 |
| 1997 | 272 |
| 1998 | 300 |
| 1999 | 313 |
| 2000 | 301 |
| 2001 | 307 |
| 2002 | 296 |
| 2003 | 314 |
| 2004 | 329 |
| 2005 | 337 |
| 2006 | 387 |
| 2007 | 412 |
| 2008 | 455 |
| 2009 | 433 |
| 2010 | 435 |
| 2011 | 444 |
| 2012 | 474 |
| 2013 | 531 |
| 2014 | 535 |
| 2015 | 543 |
| 2016 | 569 |
| 2017 | 519 |
| 2018 | 545 |
| 2019 | 585 |
| 2020 | 518 |
| 2021 | 451 |
| 2022 | 396 |
| 2023 | 365 |
| 2024 | 249 |