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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1807 | 2 |
| 1820 | 1 |
| 1821 | 1 |
| 1822 | 2 |
| 1823 | 1 |
| 1824 | 2 |
| 1825 | 1 |
| 1826 | 6 |
| 1827 | 5 |
| 1859 | 1 |
| 1867 | 1 |
| 1868 | 2 |
| 1870 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1882 | 2 |
| 1883 | 1 |
| 1884 | 3 |
| 1885 | 2 |
| 1886 | 1 |
| 1889 | 3 |
| 1890 | 1 |
| 1892 | 2 |
| 1893 | 2 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 4 |
| 1898 | 3 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 5 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 4 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 6 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 4 |
| 1914 | 4 |
| 1915 | 2 |
| 1917 | 1 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 4 |
| 1922 | 1 |
| 1923 | 7 |
| 1924 | 6 |
| 1925 | 4 |
| 1926 | 1 |
| 1927 | 4 |
| 1928 | 4 |
| 1929 | 7 |
| 1930 | 1 |
| 1931 | 1 |
| 1932 | 5 |
| 1933 | 4 |
| 1934 | 4 |
| 1935 | 4 |
| 1936 | 4 |
| 1937 | 5 |
| 1938 | 4 |
| 1939 | 4 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 4 |
| 1946 | 23 |
| 1947 | 25 |
| 1948 | 32 |
| 1949 | 34 |
| 1950 | 38 |
| 1951 | 32 |
| 1952 | 25 |
| 1953 | 32 |
| 1954 | 33 |
| 1955 | 38 |
| 1956 | 36 |
| 1957 | 46 |
| 1958 | 39 |
| 1959 | 26 |
| 1960 | 38 |
| 1961 | 20 |
| 1962 | 40 |
| 1963 | 36 |
| 1964 | 47 |
| 1965 | 68 |
| 1966 | 63 |
| 1967 | 50 |
| 1968 | 59 |
| 1969 | 60 |
| 1970 | 53 |
| 1971 | 71 |
| 1972 | 77 |
| 1973 | 85 |
| 1974 | 99 |
| 1975 | 102 |
| 1976 | 81 |
| 1977 | 127 |
| 1978 | 112 |
| 1979 | 124 |
| 1980 | 131 |
| 1981 | 128 |
| 1982 | 129 |
| 1983 | 132 |
| 1984 | 135 |
| 1985 | 149 |
| 1986 | 165 |
| 1987 | 186 |
| 1988 | 191 |
| 1989 | 184 |
| 1990 | 184 |
| 1991 | 227 |
| 1992 | 206 |
| 1993 | 194 |
| 1994 | 207 |
| 1995 | 203 |
| 1996 | 206 |
| 1997 | 228 |
| 1998 | 196 |
| 1999 | 247 |
| 2000 | 264 |
| 2001 | 274 |
| 2002 | 305 |
| 2003 | 354 |
| 2004 | 352 |
| 2005 | 417 |
| 2006 | 442 |
| 2007 | 497 |
| 2008 | 528 |
| 2009 | 531 |
| 2010 | 556 |
| 2011 | 599 |
| 2012 | 688 |
| 2013 | 654 |
| 2014 | 761 |
| 2015 | 825 |
| 2016 | 832 |
| 2017 | 870 |
| 2018 | 951 |
| 2019 | 906 |
| 2020 | 1160 |
| 2021 | 1245 |
| 2022 | 1128 |
| 2023 | 1065 |
| 2024 | 1032 |
| 2025 | 8 |