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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 135 |
| 1973 | 37 |
| 1974 | 453 |
| 1975 | 452 |
| 1976 | 144 |
| 1977 | 133 |
| 1978 | 324 |
| 1979 | 498 |
| 1980 | 292 |
| 1981 | 531 |
| 1982 | 585 |
| 1983 | 553 |
| 1984 | 266 |
| 1985 | 373 |
| 1986 | 816 |
| 1987 | 817 |
| 1988 | 567 |
| 1989 | 464 |
| 1990 | 732 |
| 1991 | 615 |
| 1992 | 340 |
| 1993 | 383 |
| 1994 | 668 |
| 1995 | 601 |
| 1996 | 417 |
| 1997 | 442 |
| 1998 | 275 |
| 1999 | 442 |
| 2000 | 728 |
| 2001 | 466 |
| 2002 | 624 |
| 2003 | 471 |
| 2004 | 393 |
| 2005 | 553 |
| 2006 | 418 |
| 2007 | 287 |
| 2008 | 397 |
| 2009 | 410 |
| 2010 | 375 |
| 2011 | 323 |
| 2012 | 311 |
| 2013 | 313 |
| 2014 | 338 |
| 2015 | 404 |
| 2016 | 431 |
| 2017 | 323 |
| 2018 | 327 |
| 2019 | 415 |
| 2020 | 334 |
| 2021 | 336 |
| 2022 | 352 |
| 2023 | 238 |
| 2024 | 283 |
| 2025 | 149 |