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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1814 | 1 |
| 1865 | 1 |
| 1871 | 2 |
| 1872 | 1 |
| 1877 | 1 |
| 1880 | 1 |
| 1890 | 1 |
| 1898 | 1 |
| 1902 | 1 |
| 1907 | 4 |
| 1908 | 2 |
| 1909 | 2 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 2 |
| 1914 | 3 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 4 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 3 |
| 1926 | 1 |
| 1927 | 5 |
| 1928 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 1 |
| 1935 | 3 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 4 |
| 1940 | 3 |
| 1941 | 5 |
| 1943 | 1 |
| 1946 | 15 |
| 1947 | 15 |
| 1948 | 18 |
| 1949 | 23 |
| 1950 | 18 |
| 1951 | 22 |
| 1952 | 16 |
| 1953 | 16 |
| 1954 | 15 |
| 1955 | 12 |
| 1956 | 10 |
| 1957 | 15 |
| 1958 | 24 |
| 1959 | 28 |
| 1960 | 25 |
| 1961 | 23 |
| 1962 | 20 |
| 1963 | 18 |
| 1964 | 38 |
| 1965 | 32 |
| 1966 | 22 |
| 1967 | 50 |
| 1968 | 42 |
| 1969 | 48 |
| 1970 | 37 |
| 1971 | 40 |
| 1972 | 46 |
| 1973 | 49 |
| 1974 | 49 |
| 1975 | 51 |
| 1976 | 49 |
| 1977 | 48 |
| 1978 | 35 |
| 1979 | 44 |
| 1980 | 50 |
| 1981 | 51 |
| 1982 | 46 |
| 1983 | 51 |
| 1984 | 52 |
| 1985 | 65 |
| 1986 | 65 |
| 1987 | 61 |
| 1988 | 70 |
| 1989 | 59 |
| 1990 | 71 |
| 1991 | 65 |
| 1992 | 76 |
| 1993 | 74 |
| 1994 | 78 |
| 1995 | 76 |
| 1996 | 72 |
| 1997 | 79 |
| 1998 | 75 |
| 1999 | 69 |
| 2000 | 59 |
| 2001 | 67 |
| 2002 | 90 |
| 2003 | 75 |
| 2004 | 82 |
| 2005 | 94 |
| 2006 | 89 |
| 2007 | 108 |
| 2008 | 82 |
| 2009 | 79 |
| 2010 | 101 |
| 2011 | 111 |
| 2012 | 95 |
| 2013 | 112 |
| 2014 | 106 |
| 2015 | 88 |
| 2016 | 84 |
| 2017 | 92 |
| 2018 | 99 |
| 2019 | 105 |
| 2020 | 95 |
| 2021 | 106 |
| 2022 | 86 |
| 2023 | 63 |
| 2024 | 77 |
| 2025 | 52 |