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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1847 | 1 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 1 |
| 1862 | 2 |
| 1863 | 1 |
| 1864 | 5 |
| 1865 | 1 |
| 1866 | 1 |
| 1868 | 2 |
| 1871 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 2 |
| 1885 | 2 |
| 1887 | 3 |
| 1888 | 1 |
| 1890 | 2 |
| 1892 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1895 | 1 |
| 1899 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 4 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 3 |
| 1915 | 4 |
| 1916 | 2 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 3 |
| 1921 | 2 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 3 |
| 1927 | 4 |
| 1928 | 5 |
| 1929 | 12 |
| 1930 | 9 |
| 1931 | 8 |
| 1932 | 4 |
| 1933 | 6 |
| 1934 | 6 |
| 1935 | 7 |
| 1936 | 13 |
| 1937 | 8 |
| 1938 | 12 |
| 1939 | 15 |
| 1940 | 12 |
| 1941 | 8 |
| 1942 | 5 |
| 1943 | 6 |
| 1944 | 2 |
| 1945 | 5 |
| 1946 | 17 |
| 1947 | 32 |
| 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 | 657 |
| 1971 | 533 |
| 1972 | 373 |
| 1973 | 309 |
| 1974 | 447 |
| 1975 | 452 |
| 1976 | 625 |
| 1977 | 716 |
| 1978 | 949 |
| 1979 | 1017 |
| 1980 | 1163 |
| 1981 | 1170 |
| 1982 | 1490 |
| 1983 | 1641 |
| 1984 | 1644 |
| 1985 | 1801 |
| 1986 | 1959 |
| 1987 | 2158 |
| 1988 | 2182 |
| 1989 | 2691 |
| 1990 | 3103 |
| 1991 | 3399 |
| 1992 | 3673 |
| 1993 | 4227 |
| 1994 | 9525 |
| 1995 | 112283 |
| 1996 | 131033 |
| 1997 | 134277 |
| 1998 | 136195 |
| 1999 | 139075 |
| 2000 | 150671 |
| 2001 | 155398 |
| 2002 | 160097 |
| 2003 | 168334 |
| 2004 | 180312 |
| 2005 | 192503 |
| 2006 | 202593 |
| 2007 | 206461 |
| 2008 | 214680 |
| 2009 | 218573 |
| 2010 | 228006 |
| 2011 | 237536 |
| 2012 | 243304 |
| 2013 | 215003 |
| 2014 | 175412 |
| 2015 | 197322 |
| 2016 | 213655 |
| 2017 | 217874 |
| 2018 | 220980 |
| 2019 | 225792 |
| 2020 | 276194 |
| 2021 | 310602 |
| 2022 | 297418 |
| 2023 | 287295 |
| 2024 | 137467 |
| 2025 | 16 |