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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 2 |
| 1951 | 5 |
| 1952 | 13 |
| 1953 | 20 |
| 1954 | 24 |
| 1955 | 41 |
| 1956 | 43 |
| 1957 | 82 |
| 1958 | 69 |
| 1959 | 83 |
| 1960 | 69 |
| 1961 | 91 |
| 1962 | 51 |
| 1963 | 1 |
| 1964 | 11 |
| 1965 | 117 |
| 1966 | 213 |
| 1967 | 298 |
| 1968 | 393 |
| 1969 | 409 |
| 1970 | 428 |
| 1971 | 468 |
| 1972 | 468 |
| 1973 | 462 |
| 1974 | 441 |
| 1975 | 458 |
| 1976 | 393 |
| 1977 | 427 |
| 1978 | 341 |
| 1979 | 378 |
| 1980 | 399 |
| 1981 | 371 |
| 1982 | 420 |
| 1983 | 410 |
| 1984 | 434 |
| 1985 | 489 |
| 1986 | 518 |
| 1987 | 498 |
| 1988 | 512 |
| 1989 | 582 |
| 1990 | 613 |
| 1991 | 611 |
| 1992 | 655 |
| 1993 | 626 |
| 1994 | 703 |
| 1995 | 655 |
| 1996 | 753 |
| 1997 | 737 |
| 1998 | 709 |
| 1999 | 695 |
| 2000 | 718 |
| 2001 | 800 |
| 2002 | 784 |
| 2003 | 791 |
| 2004 | 778 |
| 2005 | 797 |
| 2006 | 854 |
| 2007 | 873 |
| 2008 | 915 |
| 2009 | 912 |
| 2010 | 1050 |
| 2011 | 1056 |
| 2012 | 1048 |
| 2013 | 1043 |
| 2014 | 971 |
| 2015 | 926 |
| 2016 | 827 |
| 2017 | 732 |
| 2018 | 781 |
| 2019 | 726 |
| 2020 | 633 |
| 2021 | 569 |
| 2022 | 424 |
| 2023 | 344 |
| 2024 | 129 |