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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 4 |
| 1949 | 1 |
| 1952 | 1 |
| 1959 | 10 |
| 1960 | 29 |
| 1961 | 45 |
| 1962 | 28 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 93 |
| 1966 | 147 |
| 1967 | 209 |
| 1968 | 336 |
| 1969 | 322 |
| 1970 | 368 |
| 1971 | 434 |
| 1972 | 576 |
| 1973 | 639 |
| 1974 | 576 |
| 1975 | 615 |
| 1976 | 606 |
| 1977 | 585 |
| 1978 | 644 |
| 1979 | 566 |
| 1980 | 613 |
| 1981 | 602 |
| 1982 | 657 |
| 1983 | 753 |
| 1984 | 669 |
| 1985 | 581 |
| 1986 | 565 |
| 1987 | 760 |
| 1988 | 801 |
| 1989 | 787 |
| 1990 | 799 |
| 1991 | 753 |
| 1992 | 686 |
| 1993 | 767 |
| 1994 | 651 |
| 1995 | 637 |
| 1996 | 565 |
| 1997 | 635 |
| 1998 | 670 |
| 1999 | 669 |
| 2000 | 624 |
| 2001 | 658 |
| 2002 | 718 |
| 2003 | 682 |
| 2004 | 752 |
| 2005 | 789 |
| 2006 | 806 |
| 2007 | 896 |
| 2008 | 876 |
| 2009 | 898 |
| 2010 | 958 |
| 2011 | 987 |
| 2012 | 1056 |
| 2013 | 1035 |
| 2014 | 919 |
| 2015 | 954 |
| 2016 | 900 |
| 2017 | 847 |
| 2018 | 807 |
| 2019 | 867 |
| 2020 | 746 |
| 2021 | 403 |
| 2022 | 175 |
| 2023 | 140 |
| 2024 | 40 |