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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1810 | 2 |
| 1823 | 1 |
| 1836 | 1 |
| 1840 | 2 |
| 1847 | 1 |
| 1848 | 2 |
| 1849 | 1 |
| 1853 | 1 |
| 1854 | 2 |
| 1855 | 1 |
| 1857 | 3 |
| 1858 | 2 |
| 1859 | 1 |
| 1860 | 1 |
| 1862 | 1 |
| 1865 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 3 |
| 1871 | 1 |
| 1872 | 4 |
| 1873 | 2 |
| 1874 | 3 |
| 1875 | 1 |
| 1878 | 2 |
| 1881 | 5 |
| 1882 | 2 |
| 1883 | 3 |
| 1884 | 3 |
| 1885 | 1 |
| 1886 | 2 |
| 1888 | 1 |
| 1889 | 7 |
| 1890 | 4 |
| 1891 | 3 |
| 1892 | 6 |
| 1893 | 2 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1902 | 8 |
| 1903 | 2 |
| 1904 | 3 |
| 1905 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 2 |
| 1914 | 1 |
| 1916 | 2 |
| 1917 | 1 |
| 1918 | 6 |
| 1919 | 2 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 7 |
| 1925 | 6 |
| 1926 | 4 |
| 1927 | 7 |
| 1928 | 6 |
| 1929 | 10 |
| 1930 | 5 |
| 1931 | 4 |
| 1932 | 2 |
| 1933 | 5 |
| 1934 | 8 |
| 1935 | 8 |
| 1936 | 10 |
| 1937 | 8 |
| 1938 | 7 |
| 1939 | 15 |
| 1940 | 14 |
| 1941 | 8 |
| 1942 | 8 |
| 1943 | 11 |
| 1944 | 7 |
| 1945 | 5 |
| 1946 | 4 |
| 1947 | 17 |
| 1948 | 6 |
| 1949 | 8 |
| 1950 | 15 |
| 1951 | 15 |
| 1952 | 14 |
| 1953 | 9 |
| 1954 | 15 |
| 1955 | 8 |
| 1956 | 11 |
| 1957 | 12 |
| 1958 | 12 |
| 1959 | 6 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 10 |
| 1963 | 13 |
| 1964 | 24 |
| 1965 | 12 |
| 1966 | 27 |
| 1967 | 23 |
| 1968 | 25 |
| 1969 | 38 |
| 1970 | 33 |
| 1971 | 31 |
| 1972 | 32 |
| 1973 | 39 |
| 1974 | 52 |
| 1975 | 61 |
| 1976 | 71 |
| 1977 | 75 |
| 1978 | 102 |
| 1979 | 107 |
| 1980 | 117 |
| 1981 | 115 |
| 1982 | 121 |
| 1983 | 158 |
| 1984 | 147 |
| 1985 | 212 |
| 1986 | 187 |
| 1987 | 195 |
| 1988 | 220 |
| 1989 | 302 |
| 1990 | 272 |
| 1991 | 330 |
| 1992 | 327 |
| 1993 | 335 |
| 1994 | 318 |
| 1995 | 376 |
| 1996 | 425 |
| 1997 | 466 |
| 1998 | 495 |
| 1999 | 568 |
| 2000 | 682 |
| 2001 | 687 |
| 2002 | 729 |
| 2003 | 797 |
| 2004 | 890 |
| 2005 | 1004 |
| 2006 | 1078 |
| 2007 | 1160 |
| 2008 | 1215 |
| 2009 | 1175 |
| 2010 | 1318 |
| 2011 | 1561 |
| 2012 | 1643 |
| 2013 | 1822 |
| 2014 | 1848 |
| 2015 | 2003 |
| 2016 | 2045 |
| 2017 | 2219 |
| 2018 | 2431 |
| 2019 | 2632 |
| 2020 | 3134 |
| 2021 | 3350 |
| 2022 | 3795 |
| 2023 | 3611 |
| 2024 | 1320 |