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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 6 |
| 1964 | 9 |
| 1965 | 22 |
| 1966 | 143 |
| 1967 | 399 |
| 1968 | 594 |
| 1969 | 627 |
| 1970 | 629 |
| 1971 | 745 |
| 1972 | 765 |
| 1973 | 774 |
| 1974 | 723 |
| 1975 | 653 |
| 1976 | 602 |
| 1977 | 574 |
| 1978 | 445 |
| 1979 | 490 |
| 1980 | 410 |
| 1981 | 408 |
| 1982 | 403 |
| 1983 | 392 |
| 1984 | 428 |
| 1985 | 391 |
| 1986 | 410 |
| 1987 | 376 |
| 1988 | 342 |
| 1989 | 363 |
| 1990 | 396 |
| 1991 | 406 |
| 1992 | 368 |
| 1993 | 387 |
| 1994 | 346 |
| 1995 | 358 |
| 1996 | 363 |
| 1997 | 362 |
| 1998 | 371 |
| 1999 | 415 |
| 2000 | 373 |
| 2001 | 400 |
| 2002 | 478 |
| 2003 | 448 |
| 2004 | 428 |
| 2005 | 464 |
| 2006 | 482 |
| 2007 | 443 |
| 2008 | 511 |
| 2009 | 472 |
| 2010 | 409 |
| 2011 | 439 |
| 2012 | 470 |
| 2013 | 453 |
| 2014 | 436 |
| 2015 | 408 |
| 2016 | 364 |
| 2017 | 336 |
| 2018 | 292 |
| 2019 | 286 |
| 2020 | 280 |
| 2021 | 167 |
| 2022 | 134 |
| 2023 | 95 |
| 2024 | 73 |