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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1946 | 1 |
| 1953 | 3 |
| 1954 | 2 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 19 |
| 1962 | 33 |
| 1963 | 70 |
| 1964 | 192 |
| 1965 | 217 |
| 1966 | 276 |
| 1967 | 387 |
| 1968 | 541 |
| 1969 | 643 |
| 1970 | 787 |
| 1971 | 710 |
| 1972 | 669 |
| 1973 | 705 |
| 1974 | 726 |
| 1975 | 737 |
| 1976 | 691 |
| 1977 | 693 |
| 1978 | 631 |
| 1979 | 642 |
| 1980 | 599 |
| 1981 | 535 |
| 1982 | 578 |
| 1983 | 524 |
| 1984 | 491 |
| 1985 | 505 |
| 1986 | 503 |
| 1987 | 447 |
| 1988 | 409 |
| 1989 | 478 |
| 1990 | 456 |
| 1991 | 459 |
| 1992 | 432 |
| 1993 | 454 |
| 1994 | 389 |
| 1995 | 434 |
| 1996 | 456 |
| 1997 | 431 |
| 1998 | 433 |
| 1999 | 466 |
| 2000 | 496 |
| 2001 | 483 |
| 2002 | 484 |
| 2003 | 493 |
| 2004 | 469 |
| 2005 | 515 |
| 2006 | 526 |
| 2007 | 516 |
| 2008 | 562 |
| 2009 | 503 |
| 2010 | 550 |
| 2011 | 556 |
| 2012 | 558 |
| 2013 | 578 |
| 2014 | 508 |
| 2015 | 533 |
| 2016 | 463 |
| 2017 | 412 |
| 2018 | 345 |
| 2019 | 322 |
| 2020 | 318 |
| 2021 | 260 |
| 2022 | 263 |
| 2023 | 253 |
| 2024 | 79 |