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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1834 | 2 |
| 1843 | 2 |
| 1844 | 1 |
| 1845 | 2 |
| 1847 | 6 |
| 1848 | 2 |
| 1850 | 2 |
| 1851 | 1 |
| 1852 | 2 |
| 1853 | 1 |
| 1856 | 2 |
| 1858 | 5 |
| 1859 | 2 |
| 1860 | 1 |
| 1861 | 1 |
| 1864 | 1 |
| 1866 | 2 |
| 1867 | 4 |
| 1868 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1873 | 3 |
| 1874 | 6 |
| 1876 | 2 |
| 1877 | 2 |
| 1878 | 3 |
| 1880 | 1 |
| 1881 | 12 |
| 1882 | 8 |
| 1883 | 5 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 5 |
| 1887 | 1 |
| 1888 | 2 |
| 1889 | 6 |
| 1890 | 5 |
| 1891 | 5 |
| 1892 | 13 |
| 1893 | 20 |
| 1894 | 7 |
| 1895 | 5 |
| 1896 | 4 |
| 1897 | 3 |
| 1898 | 5 |
| 1899 | 5 |
| 1900 | 6 |
| 1901 | 3 |
| 1902 | 1 |
| 1903 | 13 |
| 1904 | 8 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 5 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 5 |
| 1915 | 6 |
| 1916 | 3 |
| 1917 | 2 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 3 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 3 |
| 1925 | 3 |
| 1926 | 2 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 3 |
| 1930 | 7 |
| 1931 | 1 |
| 1932 | 4 |
| 1934 | 2 |
| 1935 | 2 |
| 1936 | 3 |
| 1937 | 1 |
| 1939 | 4 |
| 1941 | 1 |
| 1943 | 3 |
| 1944 | 2 |
| 1945 | 15 |
| 1946 | 40 |
| 1947 | 46 |
| 1948 | 50 |
| 1949 | 73 |
| 1950 | 173 |
| 1951 | 312 |
| 1952 | 299 |
| 1953 | 306 |
| 1954 | 375 |
| 1955 | 357 |
| 1956 | 302 |
| 1957 | 341 |
| 1958 | 313 |
| 1959 | 130 |
| 1960 | 69 |
| 1961 | 74 |
| 1962 | 85 |
| 1963 | 1174 |
| 1964 | 2070 |
| 1965 | 917 |
| 1966 | 445 |
| 1967 | 537 |
| 1968 | 807 |
| 1969 | 697 |
| 1970 | 731 |
| 1971 | 765 |
| 1972 | 801 |
| 1973 | 1058 |
| 1974 | 1103 |
| 1975 | 1274 |
| 1976 | 1170 |
| 1977 | 1252 |
| 1978 | 1287 |
| 1979 | 1399 |
| 1980 | 1773 |
| 1981 | 2089 |
| 1982 | 2229 |
| 1983 | 2405 |
| 1984 | 2577 |
| 1985 | 2781 |
| 1986 | 2927 |
| 1987 | 3219 |
| 1988 | 3537 |
| 1989 | 3989 |
| 1990 | 4344 |
| 1991 | 4469 |
| 1992 | 4717 |
| 1993 | 5255 |
| 1994 | 5636 |
| 1995 | 5505 |
| 1996 | 5940 |
| 1997 | 6520 |
| 1998 | 7117 |
| 1999 | 8193 |
| 2000 | 9874 |
| 2001 | 11062 |
| 2002 | 12437 |
| 2003 | 13441 |
| 2004 | 14721 |
| 2005 | 16408 |
| 2006 | 17541 |
| 2007 | 17905 |
| 2008 | 19207 |
| 2009 | 19442 |
| 2010 | 20150 |
| 2011 | 21212 |
| 2012 | 21937 |
| 2013 | 23117 |
| 2014 | 26393 |
| 2015 | 29077 |
| 2016 | 29707 |
| 2017 | 41740 |
| 2018 | 57673 |
| 2019 | 44689 |
| 2020 | 36018 |
| 2021 | 36671 |
| 2022 | 34167 |
| 2023 | 33142 |
| 2024 | 13613 |