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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1813 | 1 |
| 1826 | 1 |
| 1827 | 1 |
| 1828 | 3 |
| 1829 | 1 |
| 1834 | 1 |
| 1844 | 1 |
| 1850 | 2 |
| 1851 | 3 |
| 1856 | 2 |
| 1857 | 1 |
| 1859 | 1 |
| 1861 | 3 |
| 1866 | 1 |
| 1867 | 1 |
| 1869 | 1 |
| 1872 | 1 |
| 1873 | 3 |
| 1874 | 2 |
| 1875 | 3 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 2 |
| 1880 | 2 |
| 1882 | 2 |
| 1883 | 1 |
| 1884 | 4 |
| 1885 | 4 |
| 1886 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1890 | 1 |
| 1891 | 3 |
| 1892 | 2 |
| 1893 | 2 |
| 1894 | 2 |
| 1895 | 3 |
| 1896 | 8 |
| 1897 | 2 |
| 1898 | 2 |
| 1900 | 2 |
| 1901 | 2 |
| 1902 | 4 |
| 1903 | 2 |
| 1904 | 1 |
| 1905 | 4 |
| 1906 | 6 |
| 1907 | 13 |
| 1908 | 8 |
| 1909 | 17 |
| 1910 | 8 |
| 1911 | 10 |
| 1912 | 16 |
| 1913 | 8 |
| 1914 | 9 |
| 1915 | 7 |
| 1916 | 10 |
| 1917 | 12 |
| 1918 | 6 |
| 1919 | 6 |
| 1920 | 13 |
| 1921 | 13 |
| 1922 | 17 |
| 1923 | 19 |
| 1924 | 24 |
| 1925 | 26 |
| 1926 | 22 |
| 1927 | 22 |
| 1928 | 38 |
| 1929 | 29 |
| 1930 | 22 |
| 1931 | 32 |
| 1932 | 34 |
| 1933 | 27 |
| 1934 | 22 |
| 1935 | 24 |
| 1936 | 27 |
| 1937 | 33 |
| 1938 | 23 |
| 1939 | 28 |
| 1940 | 23 |
| 1941 | 16 |
| 1942 | 14 |
| 1943 | 14 |
| 1944 | 12 |
| 1945 | 147 |
| 1946 | 426 |
| 1947 | 514 |
| 1948 | 547 |
| 1949 | 511 |
| 1950 | 605 |
| 1951 | 945 |
| 1952 | 1129 |
| 1953 | 1325 |
| 1954 | 1457 |
| 1955 | 1549 |
| 1956 | 1437 |
| 1957 | 1479 |
| 1958 | 1479 |
| 1959 | 1448 |
| 1960 | 1468 |
| 1961 | 1624 |
| 1962 | 1675 |
| 1963 | 2520 |
| 1964 | 3429 |
| 1965 | 2694 |
| 1966 | 2635 |
| 1967 | 3722 |
| 1968 | 4336 |
| 1969 | 4944 |
| 1970 | 5073 |
| 1971 | 5684 |
| 1972 | 5874 |
| 1973 | 6076 |
| 1974 | 6987 |
| 1975 | 7258 |
| 1976 | 7026 |
| 1977 | 7121 |
| 1978 | 7360 |
| 1979 | 7731 |
| 1980 | 8354 |
| 1981 | 8450 |
| 1982 | 9365 |
| 1983 | 10047 |
| 1984 | 11301 |
| 1985 | 12578 |
| 1986 | 13010 |
| 1987 | 13176 |
| 1988 | 14054 |
| 1989 | 15691 |
| 1990 | 16512 |
| 1991 | 17030 |
| 1992 | 17115 |
| 1993 | 17756 |
| 1994 | 18118 |
| 1995 | 18645 |
| 1996 | 19767 |
| 1997 | 19976 |
| 1998 | 20975 |
| 1999 | 20826 |
| 2000 | 21288 |
| 2001 | 21016 |
| 2002 | 21806 |
| 2003 | 22620 |
| 2004 | 23555 |
| 2005 | 25455 |
| 2006 | 26569 |
| 2007 | 27639 |
| 2008 | 28554 |
| 2009 | 29432 |
| 2010 | 31034 |
| 2011 | 32196 |
| 2012 | 34175 |
| 2013 | 35480 |
| 2014 | 36211 |
| 2015 | 36481 |
| 2016 | 36429 |
| 2017 | 37144 |
| 2018 | 37594 |
| 2019 | 38307 |
| 2020 | 41520 |
| 2021 | 43010 |
| 2022 | 39905 |
| 2023 | 38171 |
| 2024 | 13577 |