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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 2 |
| 1846 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1861 | 1 |
| 1868 | 1 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 3 |
| 1881 | 1 |
| 1883 | 1 |
| 1884 | 4 |
| 1885 | 4 |
| 1886 | 1 |
| 1887 | 5 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 2 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1900 | 1 |
| 1903 | 5 |
| 1904 | 1 |
| 1905 | 1 |
| 1908 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 3 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 4 |
| 1918 | 2 |
| 1919 | 5 |
| 1920 | 2 |
| 1921 | 2 |
| 1922 | 2 |
| 1924 | 1 |
| 1925 | 4 |
| 1926 | 1 |
| 1927 | 3 |
| 1928 | 3 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 4 |
| 1935 | 2 |
| 1937 | 4 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 7 |
| 1948 | 9 |
| 1949 | 3 |
| 1950 | 3 |
| 1951 | 5 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 3 |
| 1955 | 6 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 7 |
| 1959 | 4 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1979 | 3 |
| 1980 | 1 |
| 1981 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1990 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 1 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 3 |
| 2005 | 9 |
| 2006 | 4 |
| 2007 | 10 |
| 2008 | 15 |
| 2009 | 22 |
| 2010 | 1 |
| 2011 | 2 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 5 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2026 | 0 |