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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 6 |
| 1960 | 2 |
| 1961 | 8 |
| 1962 | 9 |
| 1963 | 14 |
| 1964 | 22 |
| 1965 | 9 |
| 1966 | 4 |
| 1967 | 7 |
| 1968 | 1 |
| 1970 | 31 |
| 1971 | 19 |
| 1972 | 300 |
| 1973 | 825 |
| 1974 | 929 |
| 1975 | 986 |
| 1976 | 910 |
| 1977 | 991 |
| 1978 | 961 |
| 1979 | 1107 |
| 1980 | 1231 |
| 1981 | 1607 |
| 1982 | 1847 |
| 1983 | 1715 |
| 1984 | 1815 |
| 1985 | 1866 |
| 1986 | 1694 |
| 1987 | 1717 |
| 1988 | 1864 |
| 1989 | 2040 |
| 1990 | 1880 |
| 1991 | 1956 |
| 1992 | 2184 |
| 1993 | 2763 |
| 1994 | 3079 |
| 1995 | 3316 |
| 1996 | 3526 |
| 1997 | 3732 |
| 1998 | 4191 |
| 1999 | 4605 |
| 2000 | 5437 |
| 2001 | 5674 |
| 2002 | 6398 |
| 2003 | 7019 |
| 2004 | 7672 |
| 2005 | 8605 |
| 2006 | 10015 |
| 2007 | 10825 |
| 2008 | 11884 |
| 2009 | 12995 |
| 2010 | 14956 |
| 2011 | 16054 |
| 2012 | 17121 |
| 2013 | 17705 |
| 2014 | 18318 |
| 2015 | 18935 |
| 2016 | 18856 |
| 2017 | 19020 |
| 2018 | 20769 |
| 2019 | 20801 |
| 2020 | 20996 |
| 2021 | 19627 |
| 2022 | 9514 |
| 2023 | 7696 |
| 2024 | 7481 |