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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1951 | 6 |
| 1952 | 33 |
| 1953 | 35 |
| 1954 | 42 |
| 1955 | 48 |
| 1956 | 57 |
| 1957 | 55 |
| 1958 | 72 |
| 1959 | 69 |
| 1960 | 76 |
| 1961 | 59 |
| 1962 | 77 |
| 1964 | 1 |
| 1965 | 20 |
| 1966 | 131 |
| 1967 | 226 |
| 1968 | 232 |
| 1969 | 291 |
| 1970 | 251 |
| 1971 | 314 |
| 1972 | 342 |
| 1973 | 371 |
| 1974 | 421 |
| 1975 | 380 |
| 1976 | 416 |
| 1977 | 466 |
| 1978 | 514 |
| 1979 | 521 |
| 1980 | 534 |
| 1981 | 509 |
| 1982 | 531 |
| 1983 | 488 |
| 1984 | 450 |
| 1985 | 441 |
| 1986 | 418 |
| 1987 | 406 |
| 1988 | 405 |
| 1989 | 405 |
| 1990 | 370 |
| 1991 | 353 |
| 1992 | 347 |
| 1993 | 336 |
| 1994 | 319 |
| 1995 | 316 |
| 1996 | 386 |
| 1997 | 406 |
| 1998 | 460 |
| 1999 | 490 |
| 2000 | 513 |
| 2001 | 543 |
| 2002 | 601 |
| 2003 | 650 |
| 2004 | 643 |
| 2005 | 676 |
| 2006 | 588 |
| 2007 | 633 |
| 2008 | 620 |
| 2009 | 573 |
| 2010 | 552 |
| 2011 | 600 |
| 2012 | 561 |
| 2013 | 649 |
| 2014 | 596 |
| 2015 | 620 |
| 2016 | 620 |
| 2017 | 640 |
| 2018 | 602 |
| 2019 | 611 |
| 2020 | 547 |
| 2021 | 388 |
| 2022 | 53 |
| 2023 | 33 |
| 2024 | 131 |