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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 2 |
| 1952 | 23 |
| 1953 | 22 |
| 1954 | 29 |
| 1955 | 18 |
| 1956 | 47 |
| 1957 | 41 |
| 1958 | 49 |
| 1959 | 50 |
| 1960 | 45 |
| 1961 | 48 |
| 1962 | 47 |
| 1963 | 2 |
| 1964 | 25 |
| 1965 | 166 |
| 1966 | 410 |
| 1967 | 529 |
| 1968 | 643 |
| 1969 | 739 |
| 1970 | 743 |
| 1971 | 843 |
| 1972 | 901 |
| 1973 | 892 |
| 1974 | 894 |
| 1975 | 909 |
| 1976 | 784 |
| 1977 | 801 |
| 1978 | 710 |
| 1979 | 742 |
| 1980 | 645 |
| 1981 | 653 |
| 1982 | 653 |
| 1983 | 675 |
| 1984 | 768 |
| 1985 | 793 |
| 1986 | 785 |
| 1987 | 733 |
| 1988 | 742 |
| 1989 | 765 |
| 1990 | 804 |
| 1991 | 890 |
| 1992 | 837 |
| 1993 | 906 |
| 1994 | 915 |
| 1995 | 832 |
| 1996 | 818 |
| 1997 | 825 |
| 1998 | 794 |
| 1999 | 830 |
| 2000 | 909 |
| 2001 | 903 |
| 2002 | 923 |
| 2003 | 959 |
| 2004 | 878 |
| 2005 | 898 |
| 2006 | 1049 |
| 2007 | 1067 |
| 2008 | 1056 |
| 2009 | 1103 |
| 2010 | 1204 |
| 2011 | 1295 |
| 2012 | 1419 |
| 2013 | 1438 |
| 2014 | 1427 |
| 2015 | 1456 |
| 2016 | 1413 |
| 2017 | 1331 |
| 2018 | 1308 |
| 2019 | 1152 |
| 2020 | 1069 |
| 2021 | 762 |
| 2022 | 443 |
| 2023 | 421 |
| 2024 | 363 |