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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1853 | 1 |
| 1856 | 1 |
| 1861 | 1 |
| 1864 | 3 |
| 1866 | 8 |
| 1867 | 5 |
| 1868 | 1 |
| 1869 | 1 |
| 1870 | 3 |
| 1871 | 10 |
| 1872 | 2 |
| 1873 | 1 |
| 1875 | 1 |
| 1877 | 3 |
| 1878 | 5 |
| 1879 | 6 |
| 1880 | 5 |
| 1884 | 3 |
| 1885 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1889 | 3 |
| 1890 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1905 | 6 |
| 1907 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 3 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 3 |
| 1920 | 2 |
| 1921 | 8 |
| 1922 | 14 |
| 1923 | 3 |
| 1924 | 2 |
| 1925 | 1 |
| 1926 | 3 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1930 | 3 |
| 1931 | 2 |
| 1932 | 6 |
| 1933 | 3 |
| 1934 | 8 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 7 |
| 1939 | 5 |
| 1940 | 3 |
| 1941 | 5 |
| 1942 | 3 |
| 1944 | 1 |
| 1945 | 10 |
| 1946 | 35 |
| 1947 | 32 |
| 1948 | 31 |
| 1949 | 43 |
| 1950 | 37 |
| 1951 | 43 |
| 1952 | 47 |
| 1953 | 52 |
| 1954 | 40 |
| 1955 | 40 |
| 1956 | 38 |
| 1957 | 37 |
| 1958 | 56 |
| 1959 | 46 |
| 1960 | 50 |
| 1961 | 45 |
| 1962 | 48 |
| 1963 | 62 |
| 1964 | 64 |
| 1965 | 61 |
| 1966 | 59 |
| 1967 | 59 |
| 1968 | 77 |
| 1969 | 92 |
| 1970 | 80 |
| 1971 | 107 |
| 1972 | 95 |
| 1973 | 102 |
| 1974 | 142 |
| 1975 | 156 |
| 1976 | 145 |
| 1977 | 140 |
| 1978 | 145 |
| 1979 | 160 |
| 1980 | 163 |
| 1981 | 175 |
| 1982 | 173 |
| 1983 | 213 |
| 1984 | 223 |
| 1985 | 258 |
| 1986 | 281 |
| 1987 | 303 |
| 1988 | 336 |
| 1989 | 316 |
| 1990 | 317 |
| 1991 | 341 |
| 1992 | 377 |
| 1993 | 380 |
| 1994 | 388 |
| 1995 | 393 |
| 1996 | 351 |
| 1997 | 250 |
| 1998 | 294 |
| 1999 | 252 |
| 2000 | 353 |
| 2001 | 368 |
| 2002 | 397 |
| 2003 | 410 |
| 2004 | 418 |
| 2005 | 552 |
| 2006 | 552 |
| 2007 | 514 |
| 2008 | 531 |
| 2009 | 538 |
| 2010 | 583 |
| 2011 | 625 |
| 2012 | 725 |
| 2013 | 742 |
| 2014 | 809 |
| 2015 | 952 |
| 2016 | 973 |
| 2017 | 946 |
| 2018 | 1045 |
| 2019 | 1059 |
| 2020 | 1142 |
| 2021 | 1174 |
| 2022 | 1117 |
| 2023 | 1114 |
| 2024 | 505 |