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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 34 |
| 1975 | 61 |
| 1976 | 71 |
| 1977 | 73 |
| 1978 | 77 |
| 1979 | 111 |
| 1980 | 185 |
| 1981 | 196 |
| 1982 | 231 |
| 1983 | 222 |
| 1984 | 243 |
| 1985 | 324 |
| 1986 | 290 |
| 1987 | 345 |
| 1988 | 442 |
| 1989 | 402 |
| 1990 | 428 |
| 1991 | 480 |
| 1992 | 471 |
| 1993 | 543 |
| 1994 | 544 |
| 1995 | 535 |
| 1996 | 508 |
| 1997 | 539 |
| 1998 | 514 |
| 1999 | 563 |
| 2000 | 587 |
| 2001 | 536 |
| 2002 | 503 |
| 2003 | 518 |
| 2004 | 484 |
| 2005 | 495 |
| 2006 | 512 |
| 2007 | 492 |
| 2008 | 467 |
| 2009 | 589 |
| 2010 | 536 |
| 2011 | 538 |
| 2012 | 465 |
| 2013 | 432 |
| 2014 | 435 |
| 2015 | 469 |
| 2016 | 418 |
| 2017 | 390 |
| 2018 | 342 |
| 2019 | 472 |
| 2020 | 457 |
| 2021 | 418 |
| 2022 | 405 |
| 2023 | 328 |
| 2024 | 298 |