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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 8 |
| 1958 | 88 |
| 1959 | 92 |
| 1960 | 71 |
| 1961 | 69 |
| 1962 | 89 |
| 1963 | 155 |
| 1964 | 204 |
| 1965 | 91 |
| 1966 | 122 |
| 1967 | 238 |
| 1968 | 221 |
| 1969 | 228 |
| 1970 | 223 |
| 1971 | 251 |
| 1972 | 273 |
| 1973 | 280 |
| 1974 | 306 |
| 1975 | 310 |
| 1976 | 393 |
| 1977 | 348 |
| 1978 | 349 |
| 1979 | 396 |
| 1980 | 325 |
| 1981 | 391 |
| 1982 | 371 |
| 1983 | 409 |
| 1984 | 423 |
| 1985 | 455 |
| 1986 | 431 |
| 1987 | 449 |
| 1988 | 407 |
| 1989 | 463 |
| 1990 | 448 |
| 1991 | 469 |
| 1992 | 446 |
| 1993 | 402 |
| 1994 | 446 |
| 1995 | 397 |
| 1996 | 361 |
| 1997 | 369 |
| 1998 | 379 |
| 1999 | 334 |
| 2000 | 354 |
| 2001 | 364 |
| 2002 | 374 |
| 2003 | 381 |
| 2004 | 388 |
| 2005 | 388 |
| 2006 | 436 |
| 2007 | 403 |
| 2008 | 458 |
| 2009 | 417 |
| 2010 | 440 |
| 2011 | 482 |
| 2012 | 527 |
| 2013 | 564 |
| 2014 | 561 |
| 2015 | 525 |
| 2016 | 550 |
| 2017 | 549 |
| 2018 | 528 |
| 2019 | 539 |
| 2020 | 558 |
| 2021 | 565 |
| 2022 | 583 |
| 2023 | 544 |
| 2024 | 532 |
| 2025 | 479 |
| 2026 | 66 |