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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1827 | 1 |
| 1828 | 1 |
| 1829 | 1 |
| 1841 | 1 |
| 1842 | 2 |
| 1844 | 6 |
| 1846 | 1 |
| 1847 | 1 |
| 1848 | 2 |
| 1849 | 4 |
| 1851 | 2 |
| 1852 | 4 |
| 1853 | 4 |
| 1854 | 7 |
| 1855 | 2 |
| 1856 | 3 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 2 |
| 1860 | 1 |
| 1861 | 1 |
| 1862 | 4 |
| 1863 | 1 |
| 1864 | 1 |
| 1866 | 4 |
| 1867 | 1 |
| 1868 | 4 |
| 1869 | 1 |
| 1870 | 3 |
| 1871 | 4 |
| 1872 | 3 |
| 1873 | 1 |
| 1875 | 2 |
| 1876 | 2 |
| 1877 | 4 |
| 1878 | 3 |
| 1879 | 2 |
| 1880 | 4 |
| 1881 | 1 |
| 1882 | 2 |
| 1883 | 3 |
| 1884 | 2 |
| 1887 | 3 |
| 1888 | 3 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 4 |
| 1892 | 3 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1896 | 5 |
| 1897 | 1 |
| 1898 | 3 |
| 1899 | 3 |
| 1900 | 3 |
| 1901 | 1 |
| 1902 | 6 |
| 1903 | 4 |
| 1904 | 9 |
| 1905 | 3 |
| 1906 | 9 |
| 1907 | 9 |
| 1908 | 6 |
| 1909 | 10 |
| 1910 | 7 |
| 1911 | 6 |
| 1912 | 3 |
| 1913 | 6 |
| 1914 | 3 |
| 1915 | 9 |
| 1916 | 3 |
| 1917 | 6 |
| 1918 | 9 |
| 1919 | 6 |
| 1920 | 10 |
| 1921 | 13 |
| 1922 | 16 |
| 1923 | 17 |
| 1924 | 18 |
| 1925 | 14 |
| 1926 | 18 |
| 1927 | 13 |
| 1928 | 29 |
| 1929 | 23 |
| 1930 | 14 |
| 1931 | 11 |
| 1932 | 18 |
| 1933 | 20 |
| 1934 | 14 |
| 1935 | 22 |
| 1936 | 11 |
| 1937 | 12 |
| 1938 | 17 |
| 1939 | 16 |
| 1940 | 23 |
| 1941 | 10 |
| 1942 | 5 |
| 1943 | 9 |
| 1944 | 11 |
| 1945 | 60 |
| 1946 | 313 |
| 1947 | 313 |
| 1948 | 268 |
| 1949 | 233 |
| 1950 | 363 |
| 1951 | 359 |
| 1952 | 319 |
| 1953 | 470 |
| 1954 | 407 |
| 1955 | 413 |
| 1956 | 358 |
| 1957 | 402 |
| 1958 | 426 |
| 1959 | 369 |
| 1960 | 345 |
| 1961 | 429 |
| 1962 | 521 |
| 1963 | 913 |
| 1964 | 1485 |
| 1965 | 1332 |
| 1966 | 1444 |
| 1967 | 1924 |
| 1968 | 2188 |
| 1969 | 2482 |
| 1970 | 2655 |
| 1971 | 3312 |
| 1972 | 3109 |
| 1973 | 3055 |
| 1974 | 3087 |
| 1975 | 3375 |
| 1976 | 3122 |
| 1977 | 2748 |
| 1978 | 2678 |
| 1979 | 2669 |
| 1980 | 2828 |
| 1981 | 3103 |
| 1982 | 3355 |
| 1983 | 3597 |
| 1984 | 3923 |
| 1985 | 4088 |
| 1986 | 4251 |
| 1987 | 4007 |
| 1988 | 4091 |
| 1989 | 4489 |
| 1990 | 4702 |
| 1991 | 4766 |
| 1992 | 4622 |
| 1993 | 4712 |
| 1994 | 4895 |
| 1995 | 4898 |
| 1996 | 4911 |
| 1997 | 5050 |
| 1998 | 4992 |
| 1999 | 5055 |
| 2000 | 5644 |
| 2001 | 5940 |
| 2002 | 6019 |
| 2003 | 6099 |
| 2004 | 6683 |
| 2005 | 7468 |
| 2006 | 7938 |
| 2007 | 8126 |
| 2008 | 8214 |
| 2009 | 8044 |
| 2010 | 8502 |
| 2011 | 9031 |
| 2012 | 9134 |
| 2013 | 9268 |
| 2014 | 9295 |
| 2015 | 9050 |
| 2016 | 8860 |
| 2017 | 8524 |
| 2018 | 8550 |
| 2019 | 8760 |
| 2020 | 8860 |
| 2021 | 8995 |
| 2022 | 9521 |
| 2023 | 9300 |
| 2024 | 9285 |
| 2025 | 9421 |
| 2026 | 643 |