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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 1 |
| 1827 | 1 |
| 1838 | 2 |
| 1842 | 3 |
| 1843 | 2 |
| 1844 | 2 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 3 |
| 1848 | 1 |
| 1850 | 2 |
| 1851 | 1 |
| 1852 | 2 |
| 1853 | 2 |
| 1856 | 1 |
| 1858 | 1 |
| 1859 | 3 |
| 1861 | 1 |
| 1863 | 1 |
| 1864 | 1 |
| 1866 | 1 |
| 1869 | 2 |
| 1871 | 1 |
| 1872 | 6 |
| 1874 | 2 |
| 1875 | 2 |
| 1876 | 4 |
| 1877 | 2 |
| 1878 | 1 |
| 1879 | 2 |
| 1880 | 3 |
| 1881 | 1 |
| 1882 | 3 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 6 |
| 1886 | 2 |
| 1887 | 2 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 3 |
| 1896 | 6 |
| 1897 | 4 |
| 1899 | 1 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1905 | 1 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 3 |
| 1910 | 7 |
| 1911 | 8 |
| 1912 | 4 |
| 1913 | 10 |
| 1914 | 11 |
| 1915 | 17 |
| 1916 | 10 |
| 1917 | 4 |
| 1918 | 22 |
| 1919 | 15 |
| 1920 | 13 |
| 1921 | 12 |
| 1922 | 14 |
| 1923 | 17 |
| 1924 | 26 |
| 1925 | 16 |
| 1926 | 14 |
| 1927 | 19 |
| 1928 | 41 |
| 1929 | 35 |
| 1930 | 29 |
| 1931 | 48 |
| 1932 | 40 |
| 1933 | 62 |
| 1934 | 36 |
| 1935 | 43 |
| 1936 | 34 |
| 1937 | 75 |
| 1938 | 57 |
| 1939 | 63 |
| 1940 | 45 |
| 1941 | 57 |
| 1942 | 63 |
| 1943 | 59 |
| 1944 | 83 |
| 1945 | 211 |
| 1946 | 730 |
| 1947 | 639 |
| 1948 | 686 |
| 1949 | 507 |
| 1950 | 874 |
| 1951 | 1009 |
| 1952 | 881 |
| 1953 | 958 |
| 1954 | 952 |
| 1955 | 976 |
| 1956 | 858 |
| 1957 | 936 |
| 1958 | 845 |
| 1959 | 998 |
| 1960 | 1352 |
| 1961 | 1540 |
| 1962 | 1396 |
| 1963 | 1154 |
| 1964 | 1517 |
| 1965 | 1244 |
| 1966 | 1181 |
| 1967 | 1567 |
| 1968 | 1834 |
| 1969 | 1995 |
| 1970 | 2025 |
| 1971 | 2408 |
| 1972 | 2688 |
| 1973 | 2680 |
| 1974 | 2663 |
| 1975 | 2871 |
| 1976 | 2762 |
| 1977 | 2794 |
| 1978 | 2878 |
| 1979 | 3474 |
| 1980 | 3092 |
| 1981 | 3355 |
| 1982 | 3357 |
| 1983 | 3554 |
| 1984 | 3752 |
| 1985 | 3919 |
| 1986 | 4019 |
| 1987 | 4500 |
| 1988 | 5272 |
| 1989 | 5953 |
| 1990 | 6315 |
| 1991 | 6280 |
| 1992 | 6311 |
| 1993 | 6708 |
| 1994 | 6815 |
| 1995 | 7062 |
| 1996 | 7040 |
| 1997 | 7746 |
| 1998 | 8237 |
| 1999 | 8504 |
| 2000 | 9768 |
| 2001 | 9766 |
| 2002 | 10653 |
| 2003 | 11370 |
| 2004 | 11912 |
| 2005 | 12840 |
| 2006 | 13565 |
| 2007 | 15423 |
| 2008 | 16531 |
| 2009 | 17374 |
| 2010 | 18909 |
| 2011 | 20901 |
| 2012 | 23055 |
| 2013 | 26450 |
| 2014 | 32819 |
| 2015 | 37486 |
| 2016 | 41315 |
| 2017 | 43882 |
| 2018 | 47879 |
| 2019 | 51737 |
| 2020 | 60219 |
| 2021 | 67448 |
| 2022 | 69015 |
| 2023 | 66052 |
| 2024 | 22430 |