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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 36 |
| 1949 | 87 |
| 1950 | 82 |
| 1951 | 137 |
| 1952 | 130 |
| 1953 | 119 |
| 1954 | 113 |
| 1955 | 154 |
| 1956 | 150 |
| 1957 | 164 |
| 1958 | 158 |
| 1959 | 140 |
| 1960 | 138 |
| 1961 | 130 |
| 1962 | 125 |
| 1963 | 153 |
| 1964 | 185 |
| 1965 | 202 |
| 1966 | 240 |
| 1967 | 272 |
| 1968 | 305 |
| 1969 | 370 |
| 1970 | 354 |
| 1971 | 454 |
| 1972 | 480 |
| 1973 | 410 |
| 1974 | 517 |
| 1975 | 550 |
| 1976 | 722 |
| 1977 | 840 |
| 1978 | 728 |
| 1979 | 678 |
| 1980 | 985 |
| 1981 | 892 |
| 1982 | 884 |
| 1983 | 813 |
| 1984 | 966 |
| 1985 | 959 |
| 1986 | 873 |
| 1987 | 857 |
| 1988 | 833 |
| 1989 | 869 |
| 1990 | 901 |
| 1991 | 994 |
| 1992 | 947 |
| 1993 | 1262 |
| 1994 | 958 |
| 1995 | 747 |
| 1996 | 764 |
| 1997 | 752 |
| 1998 | 785 |
| 1999 | 798 |
| 2000 | 845 |
| 2001 | 773 |
| 2002 | 806 |
| 2003 | 804 |
| 2004 | 756 |
| 2005 | 785 |
| 2006 | 766 |
| 2007 | 737 |
| 2008 | 818 |
| 2009 | 714 |
| 2010 | 1026 |
| 2011 | 1130 |
| 2012 | 959 |
| 2013 | 767 |
| 2014 | 751 |
| 2015 | 768 |
| 2016 | 660 |
| 2017 | 816 |
| 2018 | 742 |
| 2019 | 758 |
| 2020 | 838 |
| 2021 | 781 |
| 2022 | 650 |
| 2023 | 615 |
| 2024 | 627 |
| 2025 | 427 |