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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1829 | 1 |
| 1830 | 6 |
| 1831 | 3 |
| 1835 | 1 |
| 1842 | 1 |
| 1846 | 1 |
| 1847 | 2 |
| 1855 | 2 |
| 1857 | 1 |
| 1859 | 2 |
| 1860 | 1 |
| 1866 | 4 |
| 1867 | 1 |
| 1868 | 2 |
| 1869 | 3 |
| 1870 | 4 |
| 1871 | 3 |
| 1872 | 2 |
| 1873 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1879 | 3 |
| 1882 | 2 |
| 1885 | 2 |
| 1888 | 1 |
| 1890 | 2 |
| 1891 | 2 |
| 1896 | 1 |
| 1897 | 3 |
| 1898 | 3 |
| 1899 | 2 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 2 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 1 |
| 1917 | 1 |
| 1921 | 3 |
| 1922 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1934 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1938 | 4 |
| 1940 | 1 |
| 1941 | 1 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 6 |
| 1946 | 13 |
| 1947 | 8 |
| 1948 | 17 |
| 1949 | 16 |
| 1950 | 25 |
| 1951 | 20 |
| 1952 | 14 |
| 1953 | 14 |
| 1954 | 23 |
| 1955 | 22 |
| 1956 | 20 |
| 1957 | 25 |
| 1958 | 34 |
| 1959 | 25 |
| 1960 | 23 |
| 1961 | 25 |
| 1962 | 24 |
| 1963 | 36 |
| 1964 | 33 |
| 1965 | 45 |
| 1966 | 45 |
| 1967 | 60 |
| 1968 | 56 |
| 1969 | 59 |
| 1970 | 54 |
| 1971 | 64 |
| 1972 | 83 |
| 1973 | 77 |
| 1974 | 70 |
| 1975 | 101 |
| 1976 | 89 |
| 1977 | 105 |
| 1978 | 144 |
| 1979 | 138 |
| 1980 | 156 |
| 1981 | 188 |
| 1982 | 186 |
| 1983 | 219 |
| 1984 | 185 |
| 1985 | 218 |
| 1986 | 227 |
| 1987 | 294 |
| 1988 | 289 |
| 1989 | 305 |
| 1990 | 334 |
| 1991 | 330 |
| 1992 | 324 |
| 1993 | 357 |
| 1994 | 376 |
| 1995 | 360 |
| 1996 | 389 |
| 1997 | 319 |
| 1998 | 354 |
| 1999 | 348 |
| 2000 | 411 |
| 2001 | 426 |
| 2002 | 445 |
| 2003 | 437 |
| 2004 | 495 |
| 2005 | 518 |
| 2006 | 449 |
| 2007 | 559 |
| 2008 | 585 |
| 2009 | 627 |
| 2010 | 701 |
| 2011 | 739 |
| 2012 | 773 |
| 2013 | 850 |
| 2014 | 911 |
| 2015 | 1010 |
| 2016 | 1063 |
| 2017 | 1062 |
| 2018 | 1070 |
| 2019 | 1176 |
| 2020 | 1448 |
| 2021 | 1494 |
| 2022 | 1376 |
| 2023 | 1377 |
| 2024 | 1440 |
| 2025 | 1435 |
| 2026 | 6 |