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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 7 |
| 1964 | 12 |
| 1965 | 180 |
| 1966 | 263 |
| 1967 | 283 |
| 1968 | 293 |
| 1969 | 277 |
| 1970 | 274 |
| 1971 | 317 |
| 1972 | 252 |
| 1973 | 299 |
| 1974 | 254 |
| 1975 | 306 |
| 1976 | 315 |
| 1977 | 365 |
| 1978 | 437 |
| 1979 | 474 |
| 1980 | 444 |
| 1981 | 384 |
| 1982 | 424 |
| 1983 | 408 |
| 1984 | 437 |
| 1985 | 411 |
| 1986 | 482 |
| 1987 | 532 |
| 1988 | 472 |
| 1989 | 561 |
| 1990 | 498 |
| 1991 | 509 |
| 1992 | 478 |
| 1993 | 408 |
| 1994 | 433 |
| 1995 | 455 |
| 1996 | 498 |
| 1997 | 444 |
| 1998 | 471 |
| 1999 | 489 |
| 2000 | 461 |
| 2001 | 447 |
| 2002 | 498 |
| 2003 | 492 |
| 2004 | 466 |
| 2005 | 518 |
| 2006 | 588 |
| 2007 | 576 |
| 2008 | 605 |
| 2009 | 590 |
| 2010 | 625 |
| 2011 | 662 |
| 2012 | 796 |
| 2013 | 716 |
| 2014 | 743 |
| 2015 | 751 |
| 2016 | 798 |
| 2017 | 675 |
| 2018 | 702 |
| 2019 | 715 |
| 2020 | 574 |
| 2021 | 429 |
| 2022 | 142 |
| 2023 | 90 |
| 2024 | 25 |