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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1814 | 1 |
| 1831 | 4 |
| 1836 | 1 |
| 1837 | 1 |
| 1838 | 1 |
| 1844 | 1 |
| 1850 | 1 |
| 1852 | 2 |
| 1853 | 1 |
| 1854 | 3 |
| 1855 | 1 |
| 1857 | 1 |
| 1858 | 2 |
| 1863 | 1 |
| 1864 | 2 |
| 1866 | 1 |
| 1867 | 1 |
| 1869 | 4 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 2 |
| 1873 | 3 |
| 1874 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 4 |
| 1880 | 2 |
| 1885 | 3 |
| 1888 | 1 |
| 1889 | 5 |
| 1890 | 5 |
| 1893 | 1 |
| 1894 | 1 |
| 1895 | 3 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 2 |
| 1899 | 2 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 4 |
| 1903 | 2 |
| 1905 | 3 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 3 |
| 1915 | 1 |
| 1916 | 2 |
| 1917 | 3 |
| 1919 | 3 |
| 1920 | 4 |
| 1921 | 3 |
| 1922 | 1 |
| 1923 | 3 |
| 1924 | 1 |
| 1926 | 3 |
| 1928 | 2 |
| 1929 | 3 |
| 1930 | 5 |
| 1931 | 8 |
| 1932 | 2 |
| 1933 | 6 |
| 1934 | 2 |
| 1935 | 6 |
| 1936 | 4 |
| 1937 | 2 |
| 1939 | 5 |
| 1940 | 5 |
| 1941 | 2 |
| 1942 | 3 |
| 1943 | 4 |
| 1944 | 6 |
| 1945 | 9 |
| 1946 | 19 |
| 1947 | 25 |
| 1948 | 34 |
| 1949 | 37 |
| 1950 | 34 |
| 1951 | 45 |
| 1952 | 38 |
| 1953 | 44 |
| 1954 | 50 |
| 1955 | 65 |
| 1956 | 66 |
| 1957 | 72 |
| 1958 | 46 |
| 1959 | 49 |
| 1960 | 56 |
| 1961 | 60 |
| 1962 | 42 |
| 1963 | 50 |
| 1964 | 55 |
| 1965 | 73 |
| 1966 | 94 |
| 1967 | 120 |
| 1968 | 114 |
| 1969 | 84 |
| 1970 | 100 |
| 1971 | 95 |
| 1972 | 107 |
| 1973 | 114 |
| 1974 | 125 |
| 1975 | 135 |
| 1976 | 138 |
| 1977 | 151 |
| 1978 | 166 |
| 1979 | 185 |
| 1980 | 189 |
| 1981 | 217 |
| 1982 | 243 |
| 1983 | 265 |
| 1984 | 229 |
| 1985 | 252 |
| 1986 | 251 |
| 1987 | 294 |
| 1988 | 356 |
| 1989 | 382 |
| 1990 | 436 |
| 1991 | 384 |
| 1992 | 341 |
| 1993 | 356 |
| 1994 | 536 |
| 1995 | 412 |
| 1996 | 406 |
| 1997 | 394 |
| 1998 | 422 |
| 1999 | 492 |
| 2000 | 507 |
| 2001 | 424 |
| 2002 | 502 |
| 2003 | 507 |
| 2004 | 560 |
| 2005 | 617 |
| 2006 | 654 |
| 2007 | 652 |
| 2008 | 695 |
| 2009 | 780 |
| 2010 | 842 |
| 2011 | 871 |
| 2012 | 939 |
| 2013 | 1008 |
| 2014 | 1117 |
| 2015 | 1241 |
| 2016 | 1208 |
| 2017 | 1217 |
| 2018 | 1323 |
| 2019 | 1355 |
| 2020 | 1489 |
| 2021 | 1606 |
| 2022 | 1501 |
| 2023 | 1480 |
| 2024 | 1419 |
| 2025 | 1112 |
| 2026 | 1 |