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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1811 | 1 |
| 1814 | 2 |
| 1816 | 2 |
| 1818 | 3 |
| 1819 | 2 |
| 1820 | 2 |
| 1821 | 2 |
| 1822 | 2 |
| 1823 | 1 |
| 1824 | 1 |
| 1827 | 3 |
| 1828 | 2 |
| 1829 | 4 |
| 1830 | 5 |
| 1831 | 3 |
| 1833 | 1 |
| 1834 | 1 |
| 1835 | 5 |
| 1836 | 2 |
| 1837 | 1 |
| 1838 | 2 |
| 1839 | 2 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 3 |
| 1844 | 1 |
| 1846 | 2 |
| 1847 | 2 |
| 1850 | 2 |
| 1851 | 1 |
| 1853 | 2 |
| 1854 | 2 |
| 1855 | 6 |
| 1857 | 5 |
| 1858 | 7 |
| 1859 | 4 |
| 1860 | 6 |
| 1861 | 1 |
| 1862 | 3 |
| 1863 | 1 |
| 1864 | 1 |
| 1865 | 2 |
| 1866 | 4 |
| 1867 | 3 |
| 1868 | 2 |
| 1869 | 4 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 3 |
| 1873 | 2 |
| 1874 | 2 |
| 1875 | 3 |
| 1876 | 5 |
| 1877 | 3 |
| 1878 | 3 |
| 1879 | 2 |
| 1880 | 4 |
| 1881 | 6 |
| 1882 | 4 |
| 1883 | 6 |
| 1884 | 6 |
| 1885 | 5 |
| 1886 | 6 |
| 1887 | 3 |
| 1888 | 3 |
| 1889 | 6 |
| 1890 | 8 |
| 1891 | 4 |
| 1892 | 8 |
| 1893 | 6 |
| 1894 | 5 |
| 1895 | 8 |
| 1896 | 5 |
| 1897 | 11 |
| 1898 | 7 |
| 1899 | 5 |
| 1900 | 7 |
| 1901 | 9 |
| 1902 | 11 |
| 1903 | 5 |
| 1904 | 4 |
| 1905 | 4 |
| 1906 | 11 |
| 1907 | 6 |
| 1908 | 20 |
| 1909 | 12 |
| 1910 | 17 |
| 1911 | 11 |
| 1912 | 14 |
| 1913 | 21 |
| 1914 | 6 |
| 1915 | 12 |
| 1916 | 10 |
| 1917 | 14 |
| 1918 | 19 |
| 1919 | 8 |
| 1920 | 9 |
| 1921 | 17 |
| 1922 | 12 |
| 1923 | 10 |
| 1924 | 12 |
| 1925 | 13 |
| 1926 | 19 |
| 1927 | 16 |
| 1928 | 11 |
| 1929 | 17 |
| 1930 | 11 |
| 1931 | 14 |
| 1932 | 7 |
| 1933 | 12 |
| 1934 | 12 |
| 1935 | 12 |
| 1936 | 9 |
| 1937 | 5 |
| 1938 | 13 |
| 1939 | 10 |
| 1940 | 11 |
| 1941 | 8 |
| 1942 | 7 |
| 1943 | 6 |
| 1944 | 3 |
| 1945 | 14 |
| 1946 | 39 |
| 1947 | 52 |
| 1948 | 44 |
| 1949 | 46 |
| 1950 | 48 |
| 1951 | 45 |
| 1952 | 38 |
| 1953 | 50 |
| 1954 | 50 |
| 1955 | 56 |
| 1956 | 54 |
| 1957 | 55 |
| 1958 | 52 |
| 1959 | 45 |
| 1960 | 59 |
| 1961 | 55 |
| 1962 | 52 |
| 1963 | 62 |
| 1964 | 73 |
| 1965 | 65 |
| 1966 | 84 |
| 1967 | 87 |
| 1968 | 85 |
| 1969 | 116 |
| 1970 | 101 |
| 1971 | 115 |
| 1972 | 124 |
| 1973 | 125 |
| 1974 | 126 |
| 1975 | 132 |
| 1976 | 134 |
| 1977 | 156 |
| 1978 | 190 |
| 1979 | 202 |
| 1980 | 181 |
| 1981 | 189 |
| 1982 | 188 |
| 1983 | 206 |
| 1984 | 195 |
| 1985 | 219 |
| 1986 | 240 |
| 1987 | 231 |
| 1988 | 251 |
| 1989 | 305 |
| 1990 | 282 |
| 1991 | 279 |
| 1992 | 237 |
| 1993 | 269 |
| 1994 | 298 |
| 1995 | 325 |
| 1996 | 272 |
| 1997 | 295 |
| 1998 | 331 |
| 1999 | 368 |
| 2000 | 360 |
| 2001 | 411 |
| 2002 | 457 |
| 2003 | 476 |
| 2004 | 526 |
| 2005 | 578 |
| 2006 | 703 |
| 2007 | 763 |
| 2008 | 897 |
| 2009 | 926 |
| 2010 | 1006 |
| 2011 | 940 |
| 2012 | 1174 |
| 2013 | 1060 |
| 2014 | 1162 |
| 2015 | 1231 |
| 2016 | 1316 |
| 2017 | 1294 |
| 2018 | 1300 |
| 2019 | 1196 |
| 2020 | 1316 |
| 2021 | 1484 |
| 2022 | 1338 |
| 2023 | 1186 |
| 2024 | 1186 |
| 2025 | 1030 |