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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 11 |
| 1949 | 1 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1963 | 3 |
| 1964 | 22 |
| 1965 | 388 |
| 1966 | 666 |
| 1967 | 763 |
| 1968 | 826 |
| 1969 | 924 |
| 1970 | 962 |
| 1971 | 918 |
| 1972 | 839 |
| 1973 | 947 |
| 1974 | 946 |
| 1975 | 685 |
| 1976 | 648 |
| 1977 | 655 |
| 1978 | 596 |
| 1979 | 707 |
| 1980 | 660 |
| 1981 | 709 |
| 1982 | 721 |
| 1983 | 788 |
| 1984 | 777 |
| 1985 | 820 |
| 1986 | 818 |
| 1987 | 812 |
| 1988 | 826 |
| 1989 | 924 |
| 1990 | 903 |
| 1991 | 930 |
| 1992 | 928 |
| 1993 | 916 |
| 1994 | 862 |
| 1995 | 1007 |
| 1996 | 970 |
| 1997 | 1036 |
| 1998 | 1165 |
| 1999 | 1166 |
| 2000 | 1273 |
| 2001 | 1405 |
| 2002 | 1383 |
| 2003 | 1608 |
| 2004 | 1602 |
| 2005 | 1677 |
| 2006 | 1715 |
| 2007 | 1671 |
| 2008 | 1727 |
| 2009 | 1856 |
| 2010 | 2034 |
| 2011 | 2128 |
| 2012 | 2127 |
| 2013 | 2148 |
| 2014 | 2051 |
| 2015 | 2036 |
| 2016 | 1866 |
| 2017 | 1987 |
| 2018 | 1800 |
| 2019 | 1893 |
| 2020 | 4986 |
| 2021 | 2084 |
| 2022 | 1847 |
| 2023 | 1563 |
| 2024 | 1986 |
| 2025 | 1120 |