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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1810 | 1 |
| 1813 | 1 |
| 1815 | 3 |
| 1818 | 2 |
| 1828 | 1 |
| 1842 | 2 |
| 1845 | 1 |
| 1852 | 1 |
| 1860 | 2 |
| 1862 | 1 |
| 1863 | 2 |
| 1865 | 2 |
| 1866 | 5 |
| 1867 | 4 |
| 1868 | 3 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 1 |
| 1873 | 6 |
| 1874 | 15 |
| 1875 | 4 |
| 1876 | 11 |
| 1877 | 7 |
| 1878 | 2 |
| 1879 | 8 |
| 1880 | 10 |
| 1881 | 7 |
| 1882 | 7 |
| 1883 | 10 |
| 1884 | 8 |
| 1885 | 2 |
| 1886 | 5 |
| 1887 | 2 |
| 1888 | 4 |
| 1890 | 11 |
| 1891 | 4 |
| 1892 | 5 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 1 |
| 1897 | 2 |
| 1898 | 7 |
| 1899 | 2 |
| 1901 | 3 |
| 1902 | 4 |
| 1903 | 4 |
| 1904 | 1 |
| 1905 | 2 |
| 1906 | 4 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1912 | 3 |
| 1914 | 2 |
| 1915 | 2 |
| 1916 | 1 |
| 1917 | 4 |
| 1918 | 1 |
| 1919 | 7 |
| 1920 | 1 |
| 1921 | 1 |
| 1922 | 3 |
| 1923 | 5 |
| 1925 | 5 |
| 1926 | 5 |
| 1927 | 2 |
| 1928 | 6 |
| 1929 | 10 |
| 1930 | 6 |
| 1931 | 5 |
| 1932 | 8 |
| 1933 | 4 |
| 1934 | 7 |
| 1935 | 9 |
| 1936 | 11 |
| 1937 | 7 |
| 1938 | 4 |
| 1939 | 13 |
| 1940 | 5 |
| 1941 | 7 |
| 1942 | 8 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 8 |
| 1946 | 24 |
| 1947 | 23 |
| 1948 | 17 |
| 1949 | 14 |
| 1950 | 26 |
| 1951 | 37 |
| 1952 | 39 |
| 1953 | 29 |
| 1954 | 20 |
| 1955 | 45 |
| 1956 | 35 |
| 1957 | 37 |
| 1958 | 45 |
| 1959 | 51 |
| 1960 | 54 |
| 1961 | 54 |
| 1962 | 82 |
| 1963 | 75 |
| 1964 | 80 |
| 1965 | 90 |
| 1966 | 95 |
| 1967 | 96 |
| 1968 | 70 |
| 1969 | 105 |
| 1970 | 124 |
| 1971 | 137 |
| 1972 | 148 |
| 1973 | 134 |
| 1974 | 160 |
| 1975 | 156 |
| 1976 | 179 |
| 1977 | 177 |
| 1978 | 147 |
| 1979 | 191 |
| 1980 | 196 |
| 1981 | 191 |
| 1982 | 220 |
| 1983 | 213 |
| 1984 | 235 |
| 1985 | 280 |
| 1986 | 291 |
| 1987 | 295 |
| 1988 | 356 |
| 1989 | 330 |
| 1990 | 397 |
| 1991 | 384 |
| 1992 | 414 |
| 1993 | 409 |
| 1994 | 454 |
| 1995 | 438 |
| 1996 | 490 |
| 1997 | 483 |
| 1998 | 533 |
| 1999 | 517 |
| 2000 | 626 |
| 2001 | 629 |
| 2002 | 722 |
| 2003 | 900 |
| 2004 | 977 |
| 2005 | 1044 |
| 2006 | 1161 |
| 2007 | 1296 |
| 2008 | 1418 |
| 2009 | 1446 |
| 2010 | 1551 |
| 2011 | 1659 |
| 2012 | 1759 |
| 2013 | 2009 |
| 2014 | 2205 |
| 2015 | 2508 |
| 2016 | 2644 |
| 2017 | 2614 |
| 2018 | 2777 |
| 2019 | 2923 |
| 2020 | 3425 |
| 2021 | 4021 |
| 2022 | 4210 |
| 2023 | 4135 |
| 2024 | 4489 |
| 2025 | 4319 |
| 2026 | 14 |