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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1791 | 1 |
| 1805 | 1 |
| 1807 | 2 |
| 1808 | 2 |
| 1828 | 1 |
| 1830 | 1 |
| 1835 | 1 |
| 1837 | 1 |
| 1838 | 3 |
| 1839 | 1 |
| 1840 | 2 |
| 1842 | 5 |
| 1843 | 2 |
| 1844 | 3 |
| 1845 | 5 |
| 1846 | 1 |
| 1847 | 5 |
| 1848 | 2 |
| 1849 | 4 |
| 1850 | 7 |
| 1851 | 2 |
| 1852 | 3 |
| 1853 | 12 |
| 1854 | 4 |
| 1855 | 4 |
| 1856 | 5 |
| 1857 | 1 |
| 1858 | 3 |
| 1859 | 3 |
| 1860 | 4 |
| 1861 | 2 |
| 1864 | 7 |
| 1866 | 2 |
| 1867 | 4 |
| 1868 | 2 |
| 1870 | 3 |
| 1871 | 1 |
| 1872 | 11 |
| 1873 | 11 |
| 1874 | 12 |
| 1875 | 7 |
| 1876 | 7 |
| 1877 | 4 |
| 1878 | 8 |
| 1879 | 10 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 5 |
| 1883 | 2 |
| 1884 | 5 |
| 1885 | 6 |
| 1886 | 3 |
| 1887 | 3 |
| 1888 | 3 |
| 1889 | 4 |
| 1890 | 4 |
| 1891 | 2 |
| 1892 | 5 |
| 1893 | 6 |
| 1894 | 5 |
| 1895 | 9 |
| 1896 | 17 |
| 1897 | 19 |
| 1898 | 5 |
| 1899 | 6 |
| 1900 | 4 |
| 1901 | 4 |
| 1902 | 5 |
| 1903 | 5 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 4 |
| 1914 | 3 |
| 1915 | 1 |
| 1916 | 4 |
| 1917 | 6 |
| 1919 | 4 |
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 3 |
| 1924 | 6 |
| 1925 | 1 |
| 1926 | 4 |
| 1927 | 6 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 4 |
| 1931 | 4 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 11 |
| 1935 | 5 |
| 1936 | 7 |
| 1937 | 8 |
| 1938 | 19 |
| 1939 | 6 |
| 1940 | 9 |
| 1941 | 10 |
| 1942 | 6 |
| 1943 | 9 |
| 1944 | 4 |
| 1945 | 9 |
| 1946 | 11 |
| 1947 | 16 |
| 1948 | 20 |
| 1949 | 12 |
| 1950 | 10 |
| 1951 | 19 |
| 1952 | 20 |
| 1953 | 16 |
| 1954 | 20 |
| 1955 | 10 |
| 1956 | 14 |
| 1957 | 28 |
| 1958 | 10 |
| 1959 | 14 |
| 1960 | 18 |
| 1961 | 27 |
| 1962 | 18 |
| 1963 | 34 |
| 1964 | 72 |
| 1965 | 72 |
| 1966 | 90 |
| 1967 | 104 |
| 1968 | 109 |
| 1969 | 114 |
| 1970 | 151 |
| 1971 | 127 |
| 1972 | 123 |
| 1973 | 132 |
| 1974 | 182 |
| 1975 | 174 |
| 1976 | 210 |
| 1977 | 194 |
| 1978 | 260 |
| 1979 | 267 |
| 1980 | 245 |
| 1981 | 201 |
| 1982 | 247 |
| 1983 | 246 |
| 1984 | 269 |
| 1985 | 281 |
| 1986 | 292 |
| 1987 | 896 |
| 1988 | 2087 |
| 1989 | 2142 |
| 1990 | 2394 |
| 1991 | 2342 |
| 1992 | 2470 |
| 1993 | 2413 |
| 1994 | 2440 |
| 1995 | 2476 |
| 1996 | 2626 |
| 1997 | 2637 |
| 1998 | 2639 |
| 1999 | 2632 |
| 2000 | 2944 |
| 2001 | 3100 |
| 2002 | 3100 |
| 2003 | 3095 |
| 2004 | 3297 |
| 2005 | 3649 |
| 2006 | 3800 |
| 2007 | 3938 |
| 2008 | 4061 |
| 2009 | 4244 |
| 2010 | 4458 |
| 2011 | 4741 |
| 2012 | 4945 |
| 2013 | 5533 |
| 2014 | 8239 |
| 2015 | 9475 |
| 2016 | 10363 |
| 2017 | 11156 |
| 2018 | 11786 |
| 2019 | 12398 |
| 2020 | 13996 |
| 2021 | 14820 |
| 2022 | 14439 |
| 2023 | 14446 |
| 2024 | 6510 |