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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1955 | 1 |
| 1956 | 32 |
| 1957 | 96 |
| 1958 | 102 |
| 1959 | 41 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 2 |
| 1964 | 17 |
| 1965 | 245 |
| 1966 | 350 |
| 1967 | 370 |
| 1968 | 380 |
| 1969 | 403 |
| 1970 | 406 |
| 1971 | 468 |
| 1972 | 431 |
| 1973 | 382 |
| 1974 | 391 |
| 1975 | 421 |
| 1976 | 405 |
| 1977 | 485 |
| 1978 | 669 |
| 1979 | 676 |
| 1980 | 779 |
| 1981 | 922 |
| 1982 | 1095 |
| 1983 | 996 |
| 1984 | 870 |
| 1985 | 799 |
| 1986 | 814 |
| 1987 | 804 |
| 1988 | 763 |
| 1989 | 945 |
| 1990 | 929 |
| 1991 | 883 |
| 1992 | 896 |
| 1993 | 821 |
| 1994 | 1028 |
| 1995 | 1521 |
| 1996 | 2872 |
| 1997 | 2653 |
| 1998 | 2911 |
| 1999 | 2967 |
| 2000 | 3258 |
| 2001 | 3364 |
| 2002 | 3704 |
| 2003 | 4158 |
| 2004 | 4284 |
| 2005 | 4740 |
| 2006 | 5247 |
| 2007 | 5784 |
| 2008 | 6179 |
| 2009 | 6843 |
| 2010 | 7762 |
| 2011 | 8098 |
| 2012 | 8320 |
| 2013 | 8512 |
| 2014 | 9176 |
| 2015 | 10114 |
| 2016 | 9610 |
| 2017 | 9138 |
| 2018 | 9035 |
| 2019 | 9444 |
| 2020 | 9715 |
| 2021 | 8855 |
| 2022 | 5513 |
| 2023 | 4825 |
| 2024 | 2739 |