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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1954 | 3 |
| 1955 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 9 |
| 1960 | 16 |
| 1961 | 53 |
| 1962 | 100 |
| 1964 | 1 |
| 1965 | 43 |
| 1966 | 96 |
| 1967 | 111 |
| 1968 | 135 |
| 1969 | 170 |
| 1970 | 162 |
| 1971 | 171 |
| 1972 | 233 |
| 1973 | 231 |
| 1974 | 277 |
| 1975 | 230 |
| 1976 | 241 |
| 1977 | 250 |
| 1978 | 270 |
| 1979 | 301 |
| 1980 | 325 |
| 1981 | 363 |
| 1982 | 396 |
| 1983 | 382 |
| 1984 | 411 |
| 1985 | 409 |
| 1986 | 397 |
| 1987 | 359 |
| 1988 | 330 |
| 1989 | 340 |
| 1990 | 389 |
| 1991 | 401 |
| 1992 | 415 |
| 1993 | 412 |
| 1994 | 398 |
| 1995 | 462 |
| 1996 | 389 |
| 1997 | 459 |
| 1998 | 505 |
| 1999 | 444 |
| 2000 | 486 |
| 2001 | 436 |
| 2002 | 439 |
| 2003 | 428 |
| 2004 | 467 |
| 2005 | 497 |
| 2006 | 565 |
| 2007 | 606 |
| 2008 | 539 |
| 2009 | 611 |
| 2010 | 609 |
| 2011 | 652 |
| 2012 | 646 |
| 2013 | 608 |
| 2014 | 647 |
| 2015 | 618 |
| 2016 | 573 |
| 2017 | 570 |
| 2018 | 530 |
| 2019 | 526 |
| 2020 | 521 |
| 2021 | 567 |
| 2022 | 466 |
| 2023 | 394 |
| 2024 | 110 |