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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1815 | 1 |
| 1816 | 1 |
| 1828 | 2 |
| 1829 | 1 |
| 1831 | 2 |
| 1832 | 1 |
| 1833 | 2 |
| 1835 | 2 |
| 1836 | 2 |
| 1837 | 1 |
| 1839 | 2 |
| 1840 | 2 |
| 1841 | 1 |
| 1842 | 2 |
| 1843 | 4 |
| 1844 | 1 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1848 | 1 |
| 1849 | 4 |
| 1850 | 1 |
| 1853 | 1 |
| 1855 | 4 |
| 1856 | 3 |
| 1857 | 6 |
| 1858 | 3 |
| 1859 | 3 |
| 1860 | 3 |
| 1861 | 3 |
| 1862 | 4 |
| 1864 | 1 |
| 1865 | 3 |
| 1866 | 1 |
| 1867 | 2 |
| 1868 | 4 |
| 1870 | 1 |
| 1871 | 3 |
| 1872 | 1 |
| 1873 | 2 |
| 1874 | 4 |
| 1875 | 5 |
| 1876 | 2 |
| 1877 | 2 |
| 1878 | 3 |
| 1879 | 2 |
| 1880 | 9 |
| 1881 | 5 |
| 1882 | 6 |
| 1883 | 1 |
| 1884 | 2 |
| 1885 | 5 |
| 1886 | 7 |
| 1887 | 4 |
| 1888 | 6 |
| 1889 | 11 |
| 1890 | 5 |
| 1891 | 6 |
| 1892 | 4 |
| 1893 | 5 |
| 1894 | 5 |
| 1895 | 7 |
| 1896 | 9 |
| 1897 | 9 |
| 1898 | 3 |
| 1899 | 6 |
| 1900 | 5 |
| 1901 | 6 |
| 1902 | 8 |
| 1903 | 6 |
| 1904 | 4 |
| 1905 | 4 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 9 |
| 1909 | 7 |
| 1910 | 3 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 4 |
| 1914 | 5 |
| 1915 | 3 |
| 1916 | 3 |
| 1917 | 4 |
| 1918 | 4 |
| 1919 | 2 |
| 1920 | 1 |
| 1921 | 4 |
| 1922 | 6 |
| 1923 | 12 |
| 1924 | 4 |
| 1925 | 3 |
| 1926 | 4 |
| 1927 | 5 |
| 1928 | 5 |
| 1929 | 11 |
| 1930 | 11 |
| 1931 | 6 |
| 1932 | 6 |
| 1933 | 7 |
| 1934 | 5 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 3 |
| 1940 | 3 |
| 1941 | 4 |
| 1942 | 5 |
| 1943 | 2 |
| 1944 | 5 |
| 1945 | 9 |
| 1946 | 36 |
| 1947 | 45 |
| 1948 | 39 |
| 1949 | 38 |
| 1950 | 61 |
| 1951 | 78 |
| 1952 | 74 |
| 1953 | 68 |
| 1954 | 79 |
| 1955 | 77 |
| 1956 | 79 |
| 1957 | 78 |
| 1958 | 81 |
| 1959 | 84 |
| 1960 | 92 |
| 1961 | 80 |
| 1962 | 78 |
| 1963 | 64 |
| 1964 | 133 |
| 1965 | 133 |
| 1966 | 137 |
| 1967 | 137 |
| 1968 | 141 |
| 1969 | 180 |
| 1970 | 178 |
| 1971 | 168 |
| 1972 | 193 |
| 1973 | 203 |
| 1974 | 216 |
| 1975 | 355 |
| 1976 | 380 |
| 1977 | 368 |
| 1978 | 383 |
| 1979 | 399 |
| 1980 | 414 |
| 1981 | 423 |
| 1982 | 470 |
| 1983 | 549 |
| 1984 | 563 |
| 1985 | 589 |
| 1986 | 585 |
| 1987 | 651 |
| 1988 | 635 |
| 1989 | 750 |
| 1990 | 809 |
| 1991 | 796 |
| 1992 | 842 |
| 1993 | 845 |
| 1994 | 835 |
| 1995 | 932 |
| 1996 | 966 |
| 1997 | 1001 |
| 1998 | 1014 |
| 1999 | 1109 |
| 2000 | 1376 |
| 2001 | 1429 |
| 2002 | 1526 |
| 2003 | 1695 |
| 2004 | 1860 |
| 2005 | 2088 |
| 2006 | 2221 |
| 2007 | 2389 |
| 2008 | 2547 |
| 2009 | 2849 |
| 2010 | 3086 |
| 2011 | 3314 |
| 2012 | 3500 |
| 2013 | 3745 |
| 2014 | 4240 |
| 2015 | 4472 |
| 2016 | 4711 |
| 2017 | 4870 |
| 2018 | 5155 |
| 2019 | 5367 |
| 2020 | 6124 |
| 2021 | 6763 |
| 2022 | 6785 |
| 2023 | 6311 |
| 2024 | 6296 |
| 2025 | 5803 |
| 2026 | 38 |