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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1842 | 1 |
| 1845 | 5 |
| 1847 | 3 |
| 1848 | 1 |
| 1849 | 1 |
| 1852 | 1 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 2 |
| 1862 | 4 |
| 1863 | 4 |
| 1864 | 13 |
| 1865 | 3 |
| 1866 | 3 |
| 1867 | 1 |
| 1868 | 3 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1879 | 4 |
| 1880 | 3 |
| 1881 | 3 |
| 1882 | 1 |
| 1883 | 2 |
| 1884 | 3 |
| 1885 | 4 |
| 1886 | 2 |
| 1887 | 5 |
| 1888 | 3 |
| 1890 | 4 |
| 1892 | 2 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1896 | 2 |
| 1897 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1907 | 4 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 5 |
| 1915 | 4 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 1 |
| 1919 | 4 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 3 |
| 1927 | 5 |
| 1928 | 5 |
| 1929 | 14 |
| 1930 | 12 |
| 1931 | 9 |
| 1932 | 4 |
| 1933 | 6 |
| 1934 | 6 |
| 1935 | 7 |
| 1936 | 13 |
| 1937 | 9 |
| 1938 | 13 |
| 1939 | 15 |
| 1940 | 12 |
| 1941 | 8 |
| 1942 | 5 |
| 1943 | 6 |
| 1944 | 2 |
| 1945 | 5 |
| 1946 | 17 |
| 1947 | 33 |
| 1948 | 31 |
| 1949 | 15 |
| 1950 | 30 |
| 1951 | 33 |
| 1952 | 27 |
| 1953 | 47 |
| 1954 | 35 |
| 1955 | 42 |
| 1956 | 31 |
| 1957 | 33 |
| 1958 | 35 |
| 1959 | 38 |
| 1960 | 39 |
| 1961 | 45 |
| 1962 | 45 |
| 1963 | 55 |
| 1964 | 80 |
| 1965 | 137 |
| 1966 | 749 |
| 1967 | 621 |
| 1968 | 383 |
| 1969 | 243 |
| 1970 | 660 |
| 1971 | 547 |
| 1972 | 374 |
| 1973 | 309 |
| 1974 | 447 |
| 1975 | 455 |
| 1976 | 627 |
| 1977 | 717 |
| 1978 | 950 |
| 1979 | 1018 |
| 1980 | 1164 |
| 1981 | 1170 |
| 1982 | 1495 |
| 1983 | 1644 |
| 1984 | 1644 |
| 1985 | 1801 |
| 1986 | 1961 |
| 1987 | 2158 |
| 1988 | 2182 |
| 1989 | 2693 |
| 1990 | 3103 |
| 1991 | 3400 |
| 1992 | 3673 |
| 1993 | 4230 |
| 1994 | 9534 |
| 1995 | 112288 |
| 1996 | 131033 |
| 1997 | 134278 |
| 1998 | 136195 |
| 1999 | 139075 |
| 2000 | 150674 |
| 2001 | 155400 |
| 2002 | 160097 |
| 2003 | 168334 |
| 2004 | 180313 |
| 2005 | 192504 |
| 2006 | 202593 |
| 2007 | 206463 |
| 2008 | 214684 |
| 2009 | 218574 |
| 2010 | 228011 |
| 2011 | 237538 |
| 2012 | 243307 |
| 2013 | 215002 |
| 2014 | 175421 |
| 2015 | 197329 |
| 2016 | 213663 |
| 2017 | 217879 |
| 2018 | 220987 |
| 2019 | 225795 |
| 2020 | 276194 |
| 2021 | 310586 |
| 2022 | 297329 |
| 2023 | 287319 |
| 2024 | 116063 |
| 2025 | 1 |