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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 40 |
| 1956 | 69 |
| 1957 | 93 |
| 1958 | 122 |
| 1959 | 171 |
| 1960 | 177 |
| 1961 | 209 |
| 1962 | 245 |
| 1963 | 228 |
| 1964 | 256 |
| 1965 | 268 |
| 1966 | 286 |
| 1967 | 296 |
| 1968 | 285 |
| 1969 | 306 |
| 1970 | 370 |
| 1971 | 371 |
| 1972 | 416 |
| 1973 | 380 |
| 1974 | 368 |
| 1975 | 410 |
| 1976 | 496 |
| 1977 | 525 |
| 1978 | 484 |
| 1979 | 527 |
| 1980 | 498 |
| 1981 | 544 |
| 1982 | 462 |
| 1983 | 464 |
| 1984 | 421 |
| 1985 | 410 |
| 1986 | 414 |
| 1987 | 429 |
| 1988 | 538 |
| 1989 | 488 |
| 1990 | 528 |
| 1991 | 639 |
| 1992 | 637 |
| 1993 | 640 |
| 1994 | 661 |
| 1995 | 765 |
| 1996 | 646 |
| 1997 | 568 |
| 1998 | 550 |
| 1999 | 536 |
| 2000 | 595 |
| 2001 | 497 |
| 2002 | 465 |
| 2003 | 539 |
| 2004 | 498 |
| 2005 | 564 |
| 2006 | 719 |
| 2007 | 692 |
| 2008 | 671 |
| 2009 | 623 |
| 2010 | 556 |
| 2011 | 443 |
| 2012 | 410 |
| 2013 | 474 |
| 2014 | 533 |
| 2015 | 480 |
| 2016 | 428 |
| 2017 | 406 |
| 2018 | 382 |
| 2019 | 322 |
| 2020 | 218 |
| 2021 | 227 |
| 2022 | 186 |
| 2023 | 239 |
| 2024 | 120 |