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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1811 | 1 |
| 1817 | 2 |
| 1833 | 1 |
| 1834 | 1 |
| 1841 | 10 |
| 1842 | 4 |
| 1843 | 3 |
| 1845 | 1 |
| 1846 | 1 |
| 1847 | 2 |
| 1848 | 1 |
| 1857 | 1 |
| 1858 | 1 |
| 1863 | 1 |
| 1864 | 1 |
| 1867 | 2 |
| 1872 | 2 |
| 1873 | 2 |
| 1874 | 2 |
| 1875 | 2 |
| 1876 | 1 |
| 1877 | 3 |
| 1878 | 2 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 16 |
| 1885 | 12 |
| 1886 | 15 |
| 1887 | 15 |
| 1888 | 11 |
| 1889 | 1 |
| 1890 | 1 |
| 1892 | 2 |
| 1893 | 3 |
| 1895 | 1 |
| 1897 | 1 |
| 1898 | 6 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 5 |
| 1903 | 3 |
| 1904 | 2 |
| 1905 | 1 |
| 1906 | 4 |
| 1907 | 4 |
| 1908 | 4 |
| 1909 | 3 |
| 1911 | 4 |
| 1912 | 9 |
| 1913 | 7 |
| 1914 | 3 |
| 1915 | 2 |
| 1916 | 9 |
| 1917 | 8 |
| 1918 | 10 |
| 1919 | 8 |
| 1920 | 10 |
| 1921 | 3 |
| 1922 | 4 |
| 1924 | 3 |
| 1925 | 2 |
| 1928 | 4 |
| 1930 | 5 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 3 |
| 1938 | 2 |
| 1939 | 3 |
| 1940 | 3 |
| 1941 | 3 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 1 |
| 1945 | 9 |
| 1946 | 38 |
| 1947 | 33 |
| 1948 | 59 |
| 1949 | 32 |
| 1950 | 86 |
| 1951 | 130 |
| 1952 | 122 |
| 1953 | 183 |
| 1954 | 93 |
| 1955 | 129 |
| 1956 | 101 |
| 1957 | 71 |
| 1958 | 92 |
| 1959 | 64 |
| 1960 | 57 |
| 1961 | 61 |
| 1962 | 63 |
| 1963 | 105 |
| 1964 | 217 |
| 1965 | 209 |
| 1966 | 257 |
| 1967 | 233 |
| 1968 | 280 |
| 1969 | 347 |
| 1970 | 338 |
| 1971 | 322 |
| 1972 | 348 |
| 1973 | 315 |
| 1974 | 385 |
| 1975 | 394 |
| 1976 | 346 |
| 1977 | 405 |
| 1978 | 396 |
| 1979 | 433 |
| 1980 | 337 |
| 1981 | 358 |
| 1982 | 444 |
| 1983 | 423 |
| 1984 | 479 |
| 1985 | 529 |
| 1986 | 567 |
| 1987 | 639 |
| 1988 | 613 |
| 1989 | 557 |
| 1990 | 393 |
| 1991 | 391 |
| 1992 | 409 |
| 1993 | 484 |
| 1994 | 521 |
| 1995 | 511 |
| 1996 | 533 |
| 1997 | 513 |
| 1998 | 555 |
| 1999 | 638 |
| 2000 | 687 |
| 2001 | 696 |
| 2002 | 657 |
| 2003 | 775 |
| 2004 | 779 |
| 2005 | 862 |
| 2006 | 921 |
| 2007 | 843 |
| 2008 | 909 |
| 2009 | 945 |
| 2010 | 1097 |
| 2011 | 1046 |
| 2012 | 1166 |
| 2013 | 1128 |
| 2014 | 1235 |
| 2015 | 1144 |
| 2016 | 1208 |
| 2017 | 1157 |
| 2018 | 1297 |
| 2019 | 1305 |
| 2020 | 1487 |
| 2021 | 1602 |
| 2022 | 1425 |
| 2023 | 1374 |
| 2024 | 520 |