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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 1 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 8 |
| 1962 | 7 |
| 1963 | 10 |
| 1964 | 16 |
| 1965 | 9 |
| 1966 | 117 |
| 1967 | 311 |
| 1968 | 436 |
| 1969 | 505 |
| 1970 | 599 |
| 1971 | 647 |
| 1972 | 703 |
| 1973 | 717 |
| 1974 | 671 |
| 1975 | 635 |
| 1976 | 575 |
| 1977 | 579 |
| 1978 | 588 |
| 1979 | 571 |
| 1980 | 670 |
| 1981 | 635 |
| 1982 | 629 |
| 1983 | 653 |
| 1984 | 685 |
| 1985 | 689 |
| 1986 | 621 |
| 1987 | 672 |
| 1988 | 601 |
| 1989 | 640 |
| 1990 | 699 |
| 1991 | 727 |
| 1992 | 831 |
| 1993 | 979 |
| 1994 | 997 |
| 1995 | 1068 |
| 1996 | 1015 |
| 1997 | 1096 |
| 1998 | 1024 |
| 1999 | 933 |
| 2000 | 927 |
| 2001 | 881 |
| 2002 | 797 |
| 2003 | 686 |
| 2004 | 718 |
| 2005 | 643 |
| 2006 | 613 |
| 2007 | 670 |
| 2008 | 581 |
| 2009 | 470 |
| 2010 | 456 |
| 2011 | 404 |
| 2012 | 449 |
| 2013 | 417 |
| 2014 | 344 |
| 2015 | 316 |
| 2016 | 214 |
| 2017 | 175 |
| 2018 | 160 |
| 2019 | 97 |
| 2020 | 98 |
| 2021 | 67 |
| 2022 | 18 |
| 2023 | 6 |
| 2024 | 1 |