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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1828 | 1 |
| 1835 | 1 |
| 1837 | 1 |
| 1838 | 1 |
| 1841 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1853 | 3 |
| 1854 | 2 |
| 1855 | 3 |
| 1856 | 4 |
| 1858 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1866 | 1 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1875 | 1 |
| 1876 | 3 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 6 |
| 1880 | 3 |
| 1881 | 2 |
| 1882 | 5 |
| 1883 | 6 |
| 1884 | 5 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 2 |
| 1888 | 2 |
| 1889 | 1 |
| 1891 | 3 |
| 1892 | 1 |
| 1893 | 3 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 3 |
| 1899 | 3 |
| 1901 | 1 |
| 1902 | 1 |
| 1908 | 1 |
| 1909 | 23 |
| 1910 | 3 |
| 1912 | 2 |
| 1915 | 3 |
| 1916 | 1 |
| 1918 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1930 | 1 |
| 1931 | 4 |
| 1932 | 6 |
| 1933 | 3 |
| 1934 | 1 |
| 1935 | 4 |
| 1936 | 1 |
| 1937 | 4 |
| 1938 | 4 |
| 1939 | 4 |
| 1940 | 9 |
| 1941 | 1 |
| 1942 | 4 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 6 |
| 1946 | 31 |
| 1947 | 30 |
| 1948 | 29 |
| 1949 | 23 |
| 1950 | 31 |
| 1951 | 40 |
| 1952 | 40 |
| 1953 | 33 |
| 1954 | 25 |
| 1955 | 23 |
| 1956 | 28 |
| 1957 | 25 |
| 1958 | 30 |
| 1959 | 37 |
| 1960 | 22 |
| 1961 | 48 |
| 1962 | 42 |
| 1963 | 56 |
| 1964 | 50 |
| 1965 | 68 |
| 1966 | 54 |
| 1967 | 74 |
| 1968 | 67 |
| 1969 | 60 |
| 1970 | 81 |
| 1971 | 72 |
| 1972 | 77 |
| 1973 | 86 |
| 1974 | 114 |
| 1975 | 123 |
| 1976 | 139 |
| 1977 | 129 |
| 1978 | 131 |
| 1979 | 146 |
| 1980 | 124 |
| 1981 | 147 |
| 1982 | 151 |
| 1983 | 164 |
| 1984 | 133 |
| 1985 | 146 |
| 1986 | 165 |
| 1987 | 197 |
| 1988 | 200 |
| 1989 | 198 |
| 1990 | 213 |
| 1991 | 237 |
| 1992 | 240 |
| 1993 | 241 |
| 1994 | 264 |
| 1995 | 300 |
| 1996 | 274 |
| 1997 | 281 |
| 1998 | 271 |
| 1999 | 309 |
| 2000 | 302 |
| 2001 | 326 |
| 2002 | 289 |
| 2003 | 330 |
| 2004 | 353 |
| 2005 | 404 |
| 2006 | 433 |
| 2007 | 423 |
| 2008 | 500 |
| 2009 | 565 |
| 2010 | 510 |
| 2011 | 602 |
| 2012 | 651 |
| 2013 | 660 |
| 2014 | 749 |
| 2015 | 718 |
| 2016 | 741 |
| 2017 | 765 |
| 2018 | 756 |
| 2019 | 779 |
| 2020 | 851 |
| 2021 | 884 |
| 2022 | 862 |
| 2023 | 793 |
| 2024 | 817 |
| 2025 | 701 |