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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 3 |
| 1965 | 14 |
| 1966 | 46 |
| 1967 | 66 |
| 1968 | 99 |
| 1969 | 119 |
| 1970 | 139 |
| 1971 | 154 |
| 1972 | 236 |
| 1973 | 270 |
| 1974 | 336 |
| 1975 | 345 |
| 1976 | 332 |
| 1977 | 313 |
| 1978 | 333 |
| 1979 | 268 |
| 1980 | 276 |
| 1981 | 285 |
| 1982 | 382 |
| 1983 | 390 |
| 1984 | 460 |
| 1985 | 434 |
| 1986 | 394 |
| 1987 | 429 |
| 1988 | 394 |
| 1989 | 412 |
| 1990 | 416 |
| 1991 | 456 |
| 1992 | 456 |
| 1993 | 425 |
| 1994 | 365 |
| 1995 | 375 |
| 1996 | 398 |
| 1997 | 372 |
| 1998 | 388 |
| 1999 | 314 |
| 2000 | 357 |
| 2001 | 376 |
| 2002 | 418 |
| 2003 | 464 |
| 2004 | 415 |
| 2005 | 415 |
| 2006 | 512 |
| 2007 | 519 |
| 2008 | 503 |
| 2009 | 517 |
| 2010 | 551 |
| 2011 | 552 |
| 2012 | 616 |
| 2013 | 524 |
| 2014 | 581 |
| 2015 | 545 |
| 2016 | 486 |
| 2017 | 444 |
| 2018 | 429 |
| 2019 | 419 |
| 2020 | 476 |
| 2021 | 383 |
| 2022 | 235 |
| 2023 | 190 |
| 2024 | 97 |