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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1807 | 1 |
| 1809 | 1 |
| 1811 | 4 |
| 1813 | 1 |
| 1818 | 1 |
| 1831 | 1 |
| 1849 | 2 |
| 1850 | 1 |
| 1851 | 1 |
| 1855 | 3 |
| 1856 | 2 |
| 1858 | 1 |
| 1863 | 3 |
| 1865 | 1 |
| 1866 | 1 |
| 1867 | 2 |
| 1868 | 3 |
| 1869 | 1 |
| 1871 | 5 |
| 1872 | 1 |
| 1873 | 3 |
| 1874 | 14 |
| 1875 | 6 |
| 1876 | 3 |
| 1880 | 1 |
| 1883 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 2 |
| 1890 | 2 |
| 1891 | 1 |
| 1893 | 2 |
| 1894 | 2 |
| 1896 | 1 |
| 1897 | 5 |
| 1898 | 5 |
| 1899 | 5 |
| 1900 | 3 |
| 1901 | 5 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 6 |
| 1905 | 7 |
| 1906 | 3 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 2 |
| 1910 | 6 |
| 1911 | 1 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 7 |
| 1916 | 2 |
| 1917 | 2 |
| 1918 | 3 |
| 1919 | 4 |
| 1920 | 6 |
| 1921 | 3 |
| 1922 | 2 |
| 1923 | 3 |
| 1924 | 5 |
| 1925 | 5 |
| 1926 | 3 |
| 1927 | 7 |
| 1928 | 3 |
| 1929 | 2 |
| 1930 | 4 |
| 1931 | 1 |
| 1932 | 1 |
| 1934 | 2 |
| 1936 | 2 |
| 1938 | 2 |
| 1941 | 1 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 4 |
| 1947 | 1 |
| 1948 | 9 |
| 1949 | 3 |
| 1950 | 6 |
| 1951 | 5 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 3 |
| 1955 | 5 |
| 1956 | 3 |
| 1957 | 4 |
| 1958 | 9 |
| 1959 | 7 |
| 1960 | 8 |
| 1961 | 2 |
| 1962 | 14 |
| 1963 | 12 |
| 1964 | 16 |
| 1965 | 18 |
| 1966 | 23 |
| 1967 | 25 |
| 1968 | 27 |
| 1969 | 29 |
| 1970 | 38 |
| 1971 | 58 |
| 1972 | 35 |
| 1973 | 43 |
| 1974 | 51 |
| 1975 | 56 |
| 1976 | 81 |
| 1977 | 75 |
| 1978 | 83 |
| 1979 | 84 |
| 1980 | 79 |
| 1981 | 80 |
| 1982 | 102 |
| 1983 | 86 |
| 1984 | 102 |
| 1985 | 126 |
| 1986 | 132 |
| 1987 | 162 |
| 1988 | 154 |
| 1989 | 151 |
| 1990 | 172 |
| 1991 | 154 |
| 1992 | 162 |
| 1993 | 170 |
| 1994 | 176 |
| 1995 | 183 |
| 1996 | 207 |
| 1997 | 201 |
| 1998 | 230 |
| 1999 | 239 |
| 2000 | 245 |
| 2001 | 233 |
| 2002 | 259 |
| 2003 | 214 |
| 2004 | 218 |
| 2005 | 247 |
| 2006 | 286 |
| 2007 | 318 |
| 2008 | 293 |
| 2009 | 279 |
| 2010 | 328 |
| 2011 | 364 |
| 2012 | 426 |
| 2013 | 401 |
| 2014 | 439 |
| 2015 | 489 |
| 2016 | 518 |
| 2017 | 527 |
| 2018 | 513 |
| 2019 | 534 |
| 2020 | 590 |
| 2021 | 593 |
| 2022 | 510 |
| 2023 | 552 |
| 2024 | 541 |
| 2025 | 499 |
| 2026 | 341 |