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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1953 | 1 |
| 1954 | 5 |
| 1955 | 1 |
| 1958 | 2 |
| 1959 | 12 |
| 1960 | 16 |
| 1961 | 166 |
| 1962 | 247 |
| 1963 | 280 |
| 1964 | 292 |
| 1965 | 375 |
| 1966 | 240 |
| 1967 | 415 |
| 1968 | 381 |
| 1969 | 339 |
| 1970 | 379 |
| 1971 | 461 |
| 1972 | 557 |
| 1973 | 592 |
| 1974 | 585 |
| 1975 | 508 |
| 1976 | 482 |
| 1977 | 668 |
| 1978 | 597 |
| 1979 | 440 |
| 1980 | 413 |
| 1981 | 412 |
| 1982 | 474 |
| 1983 | 363 |
| 1984 | 325 |
| 1985 | 329 |
| 1986 | 370 |
| 1987 | 389 |
| 1988 | 410 |
| 1989 | 491 |
| 1990 | 1213 |
| 1991 | 672 |
| 1992 | 667 |
| 1993 | 731 |
| 1994 | 643 |
| 1995 | 593 |
| 1996 | 606 |
| 1997 | 605 |
| 1998 | 561 |
| 1999 | 486 |
| 2000 | 581 |
| 2001 | 533 |
| 2002 | 632 |
| 2003 | 547 |
| 2004 | 598 |
| 2005 | 508 |
| 2006 | 583 |
| 2007 | 542 |
| 2008 | 482 |
| 2009 | 518 |
| 2010 | 499 |
| 2011 | 518 |
| 2012 | 515 |
| 2013 | 502 |
| 2014 | 527 |
| 2015 | 541 |
| 2016 | 542 |
| 2017 | 543 |
| 2018 | 598 |
| 2019 | 646 |
| 2020 | 647 |
| 2021 | 711 |
| 2022 | 629 |
| 2023 | 657 |
| 2024 | 283 |