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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 9 |
| 1966 | 17 |
| 1967 | 30 |
| 1968 | 63 |
| 1969 | 60 |
| 1970 | 59 |
| 1971 | 75 |
| 1972 | 107 |
| 1973 | 109 |
| 1974 | 146 |
| 1975 | 144 |
| 1976 | 148 |
| 1977 | 124 |
| 1978 | 177 |
| 1979 | 204 |
| 1980 | 200 |
| 1981 | 193 |
| 1982 | 265 |
| 1983 | 318 |
| 1984 | 419 |
| 1985 | 391 |
| 1986 | 392 |
| 1987 | 411 |
| 1988 | 397 |
| 1989 | 426 |
| 1990 | 432 |
| 1991 | 469 |
| 1992 | 479 |
| 1993 | 455 |
| 1994 | 415 |
| 1995 | 401 |
| 1996 | 411 |
| 1997 | 392 |
| 1998 | 407 |
| 1999 | 338 |
| 2000 | 380 |
| 2001 | 405 |
| 2002 | 385 |
| 2003 | 414 |
| 2004 | 381 |
| 2005 | 383 |
| 2006 | 446 |
| 2007 | 436 |
| 2008 | 409 |
| 2009 | 412 |
| 2010 | 437 |
| 2011 | 438 |
| 2012 | 491 |
| 2013 | 426 |
| 2014 | 442 |
| 2015 | 423 |
| 2016 | 326 |
| 2017 | 341 |
| 2018 | 359 |
| 2019 | 380 |
| 2020 | 368 |
| 2021 | 240 |
| 2022 | 121 |
| 2023 | 108 |
| 2024 | 155 |
| 2025 | 2 |