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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1817 | 2 |
| 1818 | 1 |
| 1824 | 1 |
| 1831 | 1 |
| 1832 | 4 |
| 1834 | 1 |
| 1838 | 1 |
| 1840 | 1 |
| 1842 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1847 | 1 |
| 1856 | 1 |
| 1858 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1865 | 2 |
| 1870 | 2 |
| 1872 | 1 |
| 1875 | 2 |
| 1876 | 2 |
| 1878 | 1 |
| 1880 | 2 |
| 1889 | 1 |
| 1890 | 1 |
| 1893 | 3 |
| 1894 | 1 |
| 1895 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 3 |
| 1902 | 2 |
| 1903 | 5 |
| 1904 | 5 |
| 1905 | 1 |
| 1906 | 2 |
| 1907 | 3 |
| 1908 | 4 |
| 1909 | 3 |
| 1910 | 6 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 5 |
| 1914 | 3 |
| 1915 | 3 |
| 1916 | 1 |
| 1917 | 4 |
| 1919 | 3 |
| 1921 | 9 |
| 1922 | 2 |
| 1923 | 3 |
| 1924 | 4 |
| 1925 | 5 |
| 1926 | 5 |
| 1927 | 3 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 2 |
| 1935 | 2 |
| 1936 | 8 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 7 |
| 1940 | 1 |
| 1941 | 5 |
| 1942 | 3 |
| 1943 | 3 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 23 |
| 1947 | 26 |
| 1948 | 23 |
| 1949 | 27 |
| 1950 | 21 |
| 1951 | 33 |
| 1952 | 26 |
| 1953 | 24 |
| 1954 | 24 |
| 1955 | 20 |
| 1956 | 27 |
| 1957 | 27 |
| 1958 | 27 |
| 1959 | 23 |
| 1960 | 30 |
| 1961 | 31 |
| 1962 | 43 |
| 1963 | 62 |
| 1964 | 49 |
| 1965 | 55 |
| 1966 | 67 |
| 1967 | 74 |
| 1968 | 63 |
| 1969 | 75 |
| 1970 | 83 |
| 1971 | 80 |
| 1972 | 121 |
| 1973 | 100 |
| 1974 | 91 |
| 1975 | 120 |
| 1976 | 99 |
| 1977 | 94 |
| 1978 | 110 |
| 1979 | 103 |
| 1980 | 83 |
| 1981 | 147 |
| 1982 | 160 |
| 1983 | 147 |
| 1984 | 160 |
| 1985 | 195 |
| 1986 | 180 |
| 1987 | 192 |
| 1988 | 212 |
| 1989 | 234 |
| 1990 | 223 |
| 1991 | 250 |
| 1992 | 276 |
| 1993 | 228 |
| 1994 | 226 |
| 1995 | 261 |
| 1996 | 229 |
| 1997 | 227 |
| 1998 | 210 |
| 1999 | 201 |
| 2000 | 268 |
| 2001 | 295 |
| 2002 | 285 |
| 2003 | 318 |
| 2004 | 329 |
| 2005 | 368 |
| 2006 | 394 |
| 2007 | 436 |
| 2008 | 503 |
| 2009 | 490 |
| 2010 | 553 |
| 2011 | 569 |
| 2012 | 597 |
| 2013 | 641 |
| 2014 | 620 |
| 2015 | 688 |
| 2016 | 670 |
| 2017 | 708 |
| 2018 | 694 |
| 2019 | 702 |
| 2020 | 788 |
| 2021 | 834 |
| 2022 | 798 |
| 2023 | 708 |
| 2024 | 685 |
| 2025 | 736 |
| 2026 | 582 |
| 2027 | 1 |