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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1848 | 2 |
| 1870 | 1 |
| 1874 | 1 |
| 1881 | 1 |
| 1895 | 1 |
| 1900 | 1 |
| 1906 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1927 | 2 |
| 1934 | 1 |
| 1937 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 2 |
| 1948 | 7 |
| 1949 | 5 |
| 1950 | 6 |
| 1951 | 7 |
| 1952 | 5 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 2 |
| 1957 | 6 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 2 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 3 |
| 1969 | 4 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 6 |
| 1973 | 5 |
| 1974 | 4 |
| 1975 | 13 |
| 1976 | 12 |
| 1977 | 12 |
| 1978 | 8 |
| 1979 | 9 |
| 1980 | 10 |
| 1981 | 14 |
| 1982 | 5 |
| 1983 | 13 |
| 1984 | 24 |
| 1985 | 27 |
| 1986 | 20 |
| 1987 | 32 |
| 1988 | 30 |
| 1989 | 41 |
| 1990 | 40 |
| 1991 | 41 |
| 1992 | 51 |
| 1993 | 51 |
| 1994 | 37 |
| 1995 | 43 |
| 1996 | 41 |
| 1997 | 49 |
| 1998 | 50 |
| 1999 | 55 |
| 2000 | 53 |
| 2001 | 60 |
| 2002 | 60 |
| 2003 | 56 |
| 2004 | 61 |
| 2005 | 51 |
| 2006 | 52 |
| 2007 | 73 |
| 2008 | 82 |
| 2009 | 83 |
| 2010 | 106 |
| 2011 | 98 |
| 2012 | 123 |
| 2013 | 135 |
| 2014 | 148 |
| 2015 | 141 |
| 2016 | 110 |
| 2017 | 110 |
| 2018 | 115 |
| 2019 | 121 |
| 2020 | 140 |
| 2021 | 183 |
| 2022 | 171 |
| 2023 | 147 |
| 2024 | 169 |
| 2025 | 120 |