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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1844 | 1 |
| 1846 | 2 |
| 1857 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1863 | 5 |
| 1864 | 14 |
| 1865 | 7 |
| 1866 | 1 |
| 1868 | 1 |
| 1869 | 2 |
| 1870 | 1 |
| 1871 | 2 |
| 1877 | 1 |
| 1878 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 2 |
| 1885 | 1 |
| 1887 | 2 |
| 1888 | 5 |
| 1890 | 4 |
| 1891 | 11 |
| 1892 | 7 |
| 1893 | 6 |
| 1894 | 8 |
| 1895 | 8 |
| 1896 | 6 |
| 1897 | 9 |
| 1898 | 8 |
| 1899 | 11 |
| 1900 | 3 |
| 1901 | 2 |
| 1902 | 12 |
| 1903 | 4 |
| 1904 | 8 |
| 1905 | 2 |
| 1906 | 3 |
| 1908 | 3 |
| 1909 | 6 |
| 1910 | 4 |
| 1911 | 1 |
| 1912 | 2 |
| 1913 | 7 |
| 1914 | 8 |
| 1915 | 1 |
| 1916 | 6 |
| 1917 | 4 |
| 1918 | 9 |
| 1920 | 8 |
| 1921 | 5 |
| 1922 | 4 |
| 1923 | 1 |
| 1924 | 3 |
| 1926 | 7 |
| 1927 | 11 |
| 1928 | 6 |
| 1929 | 7 |
| 1930 | 2 |
| 1931 | 4 |
| 1932 | 1 |
| 1933 | 6 |
| 1934 | 5 |
| 1935 | 14 |
| 1936 | 6 |
| 1937 | 16 |
| 1938 | 21 |
| 1939 | 16 |
| 1940 | 8 |
| 1941 | 28 |
| 1942 | 27 |
| 1943 | 4 |
| 1944 | 7 |
| 1945 | 53 |
| 1946 | 154 |
| 1947 | 169 |
| 1948 | 253 |
| 1949 | 175 |
| 1950 | 182 |
| 1951 | 294 |
| 1952 | 429 |
| 1953 | 387 |
| 1954 | 375 |
| 1955 | 387 |
| 1956 | 359 |
| 1957 | 303 |
| 1958 | 309 |
| 1959 | 312 |
| 1960 | 333 |
| 1961 | 356 |
| 1962 | 295 |
| 1963 | 440 |
| 1964 | 571 |
| 1965 | 464 |
| 1966 | 341 |
| 1967 | 412 |
| 1968 | 434 |
| 1969 | 459 |
| 1970 | 511 |
| 1971 | 610 |
| 1972 | 586 |
| 1973 | 625 |
| 1974 | 576 |
| 1975 | 699 |
| 1976 | 584 |
| 1977 | 550 |
| 1978 | 679 |
| 1979 | 805 |
| 1980 | 741 |
| 1981 | 699 |
| 1982 | 780 |
| 1983 | 843 |
| 1984 | 927 |
| 1985 | 901 |
| 1986 | 1071 |
| 1987 | 1854 |
| 1988 | 3196 |
| 1989 | 3426 |
| 1990 | 3650 |
| 1991 | 3664 |
| 1992 | 3900 |
| 1993 | 4486 |
| 1994 | 4306 |
| 1995 | 4562 |
| 1996 | 4730 |
| 1997 | 4912 |
| 1998 | 5363 |
| 1999 | 5543 |
| 2000 | 5939 |
| 2001 | 6372 |
| 2002 | 6884 |
| 2003 | 7124 |
| 2004 | 7863 |
| 2005 | 8956 |
| 2006 | 9772 |
| 2007 | 10474 |
| 2008 | 11552 |
| 2009 | 12873 |
| 2010 | 13800 |
| 2011 | 15316 |
| 2012 | 17126 |
| 2013 | 19860 |
| 2014 | 24473 |
| 2015 | 28383 |
| 2016 | 30780 |
| 2017 | 33343 |
| 2018 | 35189 |
| 2019 | 38094 |
| 2020 | 45879 |
| 2021 | 50421 |
| 2022 | 51202 |
| 2023 | 49515 |
| 2024 | 18827 |