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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1797 | 1 |
| 1801 | 2 |
| 1806 | 1 |
| 1809 | 1 |
| 1812 | 1 |
| 1814 | 1 |
| 1815 | 1 |
| 1816 | 1 |
| 1821 | 2 |
| 1824 | 1 |
| 1825 | 1 |
| 1826 | 1 |
| 1829 | 1 |
| 1831 | 1 |
| 1838 | 2 |
| 1839 | 2 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 6 |
| 1844 | 1 |
| 1845 | 3 |
| 1847 | 3 |
| 1848 | 1 |
| 1849 | 1 |
| 1855 | 1 |
| 1857 | 3 |
| 1858 | 2 |
| 1861 | 1 |
| 1862 | 1 |
| 1864 | 1 |
| 1865 | 1 |
| 1867 | 1 |
| 1869 | 2 |
| 1872 | 1 |
| 1876 | 4 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 11 |
| 1880 | 4 |
| 1881 | 1 |
| 1882 | 4 |
| 1883 | 1 |
| 1884 | 2 |
| 1886 | 1 |
| 1889 | 3 |
| 1891 | 1 |
| 1892 | 5 |
| 1893 | 2 |
| 1894 | 9 |
| 1895 | 3 |
| 1896 | 7 |
| 1897 | 41 |
| 1898 | 43 |
| 1899 | 23 |
| 1900 | 39 |
| 1901 | 19 |
| 1902 | 18 |
| 1903 | 14 |
| 1904 | 16 |
| 1905 | 26 |
| 1906 | 45 |
| 1907 | 24 |
| 1908 | 31 |
| 1909 | 10 |
| 1910 | 24 |
| 1911 | 11 |
| 1912 | 23 |
| 1913 | 7 |
| 1914 | 16 |
| 1915 | 14 |
| 1916 | 5 |
| 1917 | 9 |
| 1918 | 11 |
| 1919 | 8 |
| 1920 | 7 |
| 1921 | 6 |
| 1922 | 3 |
| 1923 | 7 |
| 1924 | 13 |
| 1925 | 5 |
| 1926 | 6 |
| 1927 | 12 |
| 1928 | 2 |
| 1929 | 3 |
| 1930 | 5 |
| 1931 | 3 |
| 1932 | 4 |
| 1933 | 6 |
| 1934 | 5 |
| 1935 | 8 |
| 1936 | 7 |
| 1937 | 4 |
| 1938 | 8 |
| 1939 | 8 |
| 1940 | 6 |
| 1941 | 6 |
| 1942 | 1 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 19 |
| 1946 | 41 |
| 1947 | 46 |
| 1948 | 59 |
| 1949 | 43 |
| 1950 | 82 |
| 1951 | 100 |
| 1952 | 52 |
| 1953 | 40 |
| 1954 | 50 |
| 1955 | 41 |
| 1956 | 38 |
| 1957 | 44 |
| 1958 | 50 |
| 1959 | 48 |
| 1960 | 79 |
| 1961 | 56 |
| 1962 | 53 |
| 1963 | 106 |
| 1964 | 69 |
| 1965 | 79 |
| 1966 | 63 |
| 1967 | 91 |
| 1968 | 106 |
| 1969 | 110 |
| 1970 | 94 |
| 1971 | 85 |
| 1972 | 99 |
| 1973 | 106 |
| 1974 | 95 |
| 1975 | 110 |
| 1976 | 113 |
| 1977 | 108 |
| 1978 | 106 |
| 1979 | 104 |
| 1980 | 103 |
| 1981 | 84 |
| 1982 | 97 |
| 1983 | 108 |
| 1984 | 95 |
| 1985 | 99 |
| 1986 | 85 |
| 1987 | 82 |
| 1988 | 102 |
| 1989 | 100 |
| 1990 | 113 |
| 1991 | 102 |
| 1992 | 107 |
| 1993 | 106 |
| 1994 | 167 |
| 1995 | 149 |
| 1996 | 100 |
| 1997 | 147 |
| 1998 | 153 |
| 1999 | 179 |
| 2000 | 184 |
| 2001 | 226 |
| 2002 | 216 |
| 2003 | 260 |
| 2004 | 235 |
| 2005 | 200 |
| 2006 | 258 |
| 2007 | 241 |
| 2008 | 273 |
| 2009 | 289 |
| 2010 | 348 |
| 2011 | 325 |
| 2012 | 313 |
| 2013 | 294 |
| 2014 | 321 |
| 2015 | 297 |
| 2016 | 311 |
| 2017 | 295 |
| 2018 | 302 |
| 2019 | 320 |
| 2020 | 466 |
| 2021 | 438 |
| 2022 | 387 |
| 2023 | 344 |
| 2024 | 304 |
| 2025 | 2 |