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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1814 | 1 |
| 1815 | 1 |
| 1822 | 1 |
| 1828 | 1 |
| 1830 | 1 |
| 1831 | 1 |
| 1832 | 1 |
| 1834 | 1 |
| 1835 | 4 |
| 1837 | 1 |
| 1838 | 2 |
| 1841 | 2 |
| 1842 | 2 |
| 1843 | 4 |
| 1844 | 6 |
| 1845 | 4 |
| 1849 | 1 |
| 1850 | 1 |
| 1851 | 2 |
| 1852 | 2 |
| 1856 | 1 |
| 1857 | 3 |
| 1858 | 1 |
| 1860 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1873 | 2 |
| 1874 | 5 |
| 1875 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1881 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 2 |
| 1890 | 3 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1897 | 2 |
| 1898 | 5 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 2 |
| 1906 | 1 |
| 1907 | 5 |
| 1909 | 6 |
| 1911 | 9 |
| 1912 | 4 |
| 1913 | 9 |
| 1914 | 4 |
| 1915 | 8 |
| 1916 | 10 |
| 1917 | 3 |
| 1918 | 6 |
| 1919 | 4 |
| 1920 | 4 |
| 1921 | 8 |
| 1922 | 7 |
| 1923 | 3 |
| 1924 | 12 |
| 1925 | 8 |
| 1926 | 10 |
| 1927 | 11 |
| 1928 | 9 |
| 1929 | 9 |
| 1930 | 6 |
| 1931 | 12 |
| 1932 | 12 |
| 1933 | 9 |
| 1934 | 10 |
| 1935 | 12 |
| 1936 | 6 |
| 1937 | 9 |
| 1938 | 7 |
| 1939 | 14 |
| 1940 | 8 |
| 1941 | 8 |
| 1942 | 9 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 11 |
| 1946 | 51 |
| 1947 | 82 |
| 1948 | 48 |
| 1949 | 54 |
| 1950 | 78 |
| 1951 | 59 |
| 1952 | 80 |
| 1953 | 75 |
| 1954 | 73 |
| 1955 | 71 |
| 1956 | 52 |
| 1957 | 79 |
| 1958 | 86 |
| 1959 | 79 |
| 1960 | 85 |
| 1961 | 64 |
| 1962 | 75 |
| 1963 | 91 |
| 1964 | 83 |
| 1965 | 89 |
| 1966 | 99 |
| 1967 | 144 |
| 1968 | 133 |
| 1969 | 125 |
| 1970 | 151 |
| 1971 | 177 |
| 1972 | 160 |
| 1973 | 200 |
| 1974 | 179 |
| 1975 | 209 |
| 1976 | 239 |
| 1977 | 224 |
| 1978 | 247 |
| 1979 | 284 |
| 1980 | 263 |
| 1981 | 294 |
| 1982 | 296 |
| 1983 | 297 |
| 1984 | 340 |
| 1985 | 392 |
| 1986 | 413 |
| 1987 | 401 |
| 1988 | 381 |
| 1989 | 454 |
| 1990 | 446 |
| 1991 | 483 |
| 1992 | 474 |
| 1993 | 511 |
| 1994 | 515 |
| 1995 | 577 |
| 1996 | 628 |
| 1997 | 559 |
| 1998 | 609 |
| 1999 | 662 |
| 2000 | 704 |
| 2001 | 750 |
| 2002 | 807 |
| 2003 | 762 |
| 2004 | 854 |
| 2005 | 991 |
| 2006 | 1055 |
| 2007 | 1130 |
| 2008 | 1216 |
| 2009 | 1237 |
| 2010 | 1280 |
| 2011 | 1453 |
| 2012 | 1445 |
| 2013 | 1564 |
| 2014 | 1822 |
| 2015 | 1884 |
| 2016 | 2171 |
| 2017 | 2094 |
| 2018 | 2137 |
| 2019 | 2293 |
| 2020 | 2633 |
| 2021 | 2888 |
| 2022 | 2702 |
| 2023 | 2556 |
| 2024 | 2352 |
| 2025 | 2313 |
| 2026 | 21 |
| 2027 | 1 |