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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1810 | 1 |
| 1811 | 1 |
| 1817 | 1 |
| 1819 | 1 |
| 1838 | 1 |
| 1840 | 1 |
| 1841 | 2 |
| 1842 | 1 |
| 1846 | 2 |
| 1848 | 2 |
| 1849 | 1 |
| 1855 | 1 |
| 1860 | 1 |
| 1861 | 3 |
| 1863 | 3 |
| 1864 | 6 |
| 1865 | 9 |
| 1868 | 5 |
| 1869 | 2 |
| 1870 | 3 |
| 1871 | 1 |
| 1872 | 2 |
| 1873 | 5 |
| 1874 | 2 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 4 |
| 1881 | 1 |
| 1883 | 1 |
| 1884 | 5 |
| 1885 | 4 |
| 1886 | 2 |
| 1887 | 2 |
| 1888 | 1 |
| 1890 | 4 |
| 1891 | 6 |
| 1892 | 10 |
| 1893 | 1 |
| 1895 | 4 |
| 1897 | 2 |
| 1898 | 5 |
| 1899 | 4 |
| 1900 | 4 |
| 1901 | 4 |
| 1902 | 2 |
| 1903 | 3 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 4 |
| 1908 | 3 |
| 1909 | 2 |
| 1910 | 6 |
| 1911 | 3 |
| 1912 | 12 |
| 1913 | 11 |
| 1914 | 10 |
| 1915 | 4 |
| 1916 | 11 |
| 1917 | 3 |
| 1918 | 5 |
| 1919 | 5 |
| 1920 | 6 |
| 1921 | 6 |
| 1922 | 8 |
| 1923 | 7 |
| 1924 | 9 |
| 1925 | 10 |
| 1926 | 4 |
| 1927 | 12 |
| 1928 | 6 |
| 1929 | 17 |
| 1930 | 18 |
| 1931 | 19 |
| 1932 | 12 |
| 1933 | 21 |
| 1934 | 13 |
| 1935 | 14 |
| 1936 | 12 |
| 1937 | 18 |
| 1938 | 11 |
| 1939 | 13 |
| 1940 | 7 |
| 1941 | 11 |
| 1942 | 9 |
| 1943 | 11 |
| 1944 | 8 |
| 1945 | 15 |
| 1946 | 42 |
| 1947 | 52 |
| 1948 | 61 |
| 1949 | 50 |
| 1950 | 61 |
| 1951 | 81 |
| 1952 | 87 |
| 1953 | 81 |
| 1954 | 75 |
| 1955 | 69 |
| 1956 | 89 |
| 1957 | 72 |
| 1958 | 74 |
| 1959 | 82 |
| 1960 | 74 |
| 1961 | 82 |
| 1962 | 108 |
| 1963 | 125 |
| 1964 | 129 |
| 1965 | 141 |
| 1966 | 166 |
| 1967 | 157 |
| 1968 | 192 |
| 1969 | 200 |
| 1970 | 216 |
| 1971 | 251 |
| 1972 | 236 |
| 1973 | 281 |
| 1974 | 303 |
| 1975 | 331 |
| 1976 | 361 |
| 1977 | 391 |
| 1978 | 384 |
| 1979 | 393 |
| 1980 | 383 |
| 1981 | 402 |
| 1982 | 402 |
| 1983 | 467 |
| 1984 | 503 |
| 1985 | 506 |
| 1986 | 548 |
| 1987 | 647 |
| 1988 | 671 |
| 1989 | 712 |
| 1990 | 771 |
| 1991 | 843 |
| 1992 | 842 |
| 1993 | 890 |
| 1994 | 838 |
| 1995 | 964 |
| 1996 | 1002 |
| 1997 | 1117 |
| 1998 | 1285 |
| 1999 | 1460 |
| 2000 | 1747 |
| 2001 | 1973 |
| 2002 | 2036 |
| 2003 | 2261 |
| 2004 | 2369 |
| 2005 | 2594 |
| 2006 | 2812 |
| 2007 | 2916 |
| 2008 | 3316 |
| 2009 | 3261 |
| 2010 | 3436 |
| 2011 | 3760 |
| 2012 | 4021 |
| 2013 | 4403 |
| 2014 | 5876 |
| 2015 | 7257 |
| 2016 | 7561 |
| 2017 | 7804 |
| 2018 | 8133 |
| 2019 | 8543 |
| 2020 | 9538 |
| 2021 | 10488 |
| 2022 | 10091 |
| 2023 | 9786 |
| 2024 | 10037 |
| 2025 | 10435 |
| 2026 | 5236 |