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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 3 |
| 1973 | 6 |
| 1974 | 32 |
| 1975 | 64 |
| 1976 | 56 |
| 1977 | 80 |
| 1978 | 74 |
| 1979 | 86 |
| 1980 | 92 |
| 1981 | 114 |
| 1982 | 120 |
| 1983 | 148 |
| 1984 | 160 |
| 1985 | 185 |
| 1986 | 177 |
| 1987 | 154 |
| 1988 | 197 |
| 1989 | 237 |
| 1990 | 286 |
| 1991 | 284 |
| 1992 | 277 |
| 1993 | 358 |
| 1994 | 420 |
| 1995 | 416 |
| 1996 | 382 |
| 1997 | 419 |
| 1998 | 420 |
| 1999 | 374 |
| 2000 | 526 |
| 2001 | 539 |
| 2002 | 509 |
| 2003 | 485 |
| 2004 | 516 |
| 2005 | 550 |
| 2006 | 549 |
| 2007 | 506 |
| 2008 | 481 |
| 2009 | 580 |
| 2010 | 589 |
| 2011 | 669 |
| 2012 | 652 |
| 2013 | 639 |
| 2014 | 569 |
| 2015 | 546 |
| 2016 | 524 |
| 2017 | 551 |
| 2018 | 508 |
| 2019 | 503 |
| 2020 | 499 |
| 2021 | 402 |
| 2022 | 388 |
| 2023 | 329 |
| 2024 | 116 |