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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1843 | 2 |
| 1844 | 3 |
| 1847 | 1 |
| 1849 | 1 |
| 1850 | 3 |
| 1851 | 2 |
| 1852 | 2 |
| 1853 | 6 |
| 1854 | 3 |
| 1855 | 1 |
| 1857 | 1 |
| 1858 | 1 |
| 1861 | 5 |
| 1862 | 1 |
| 1864 | 1 |
| 1865 | 1 |
| 1866 | 2 |
| 1867 | 1 |
| 1868 | 7 |
| 1869 | 1 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 1 |
| 1877 | 2 |
| 1878 | 2 |
| 1879 | 3 |
| 1880 | 2 |
| 1881 | 2 |
| 1884 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1893 | 3 |
| 1895 | 1 |
| 1896 | 8 |
| 1898 | 2 |
| 1899 | 2 |
| 1900 | 1 |
| 1901 | 5 |
| 1903 | 1 |
| 1904 | 4 |
| 1906 | 1 |
| 1907 | 4 |
| 1908 | 7 |
| 1909 | 3 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 6 |
| 1913 | 4 |
| 1914 | 1 |
| 1915 | 5 |
| 1916 | 3 |
| 1919 | 3 |
| 1920 | 6 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 4 |
| 1925 | 1 |
| 1926 | 3 |
| 1927 | 1 |
| 1928 | 3 |
| 1930 | 3 |
| 1932 | 4 |
| 1933 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 3 |
| 1938 | 2 |
| 1939 | 2 |
| 1940 | 4 |
| 1941 | 3 |
| 1942 | 2 |
| 1943 | 5 |
| 1944 | 8 |
| 1945 | 6 |
| 1946 | 24 |
| 1947 | 23 |
| 1948 | 21 |
| 1949 | 8 |
| 1950 | 22 |
| 1951 | 19 |
| 1952 | 30 |
| 1953 | 16 |
| 1954 | 15 |
| 1955 | 11 |
| 1956 | 22 |
| 1957 | 18 |
| 1958 | 18 |
| 1959 | 11 |
| 1960 | 20 |
| 1961 | 21 |
| 1962 | 20 |
| 1963 | 10 |
| 1964 | 14 |
| 1965 | 21 |
| 1966 | 16 |
| 1967 | 17 |
| 1968 | 30 |
| 1969 | 23 |
| 1970 | 30 |
| 1971 | 27 |
| 1972 | 25 |
| 1973 | 25 |
| 1974 | 30 |
| 1975 | 21 |
| 1976 | 41 |
| 1977 | 29 |
| 1978 | 37 |
| 1979 | 40 |
| 1980 | 34 |
| 1981 | 26 |
| 1982 | 43 |
| 1983 | 51 |
| 1984 | 39 |
| 1985 | 53 |
| 1986 | 43 |
| 1987 | 35 |
| 1988 | 37 |
| 1989 | 37 |
| 1990 | 43 |
| 1991 | 41 |
| 1992 | 48 |
| 1993 | 65 |
| 1994 | 53 |
| 1995 | 62 |
| 1996 | 56 |
| 1997 | 52 |
| 1998 | 43 |
| 1999 | 46 |
| 2000 | 51 |
| 2001 | 63 |
| 2002 | 56 |
| 2003 | 64 |
| 2004 | 70 |
| 2005 | 71 |
| 2006 | 78 |
| 2007 | 81 |
| 2008 | 82 |
| 2009 | 83 |
| 2010 | 117 |
| 2011 | 132 |
| 2012 | 141 |
| 2013 | 152 |
| 2014 | 123 |
| 2015 | 126 |
| 2016 | 138 |
| 2017 | 145 |
| 2018 | 153 |
| 2019 | 165 |
| 2020 | 207 |
| 2021 | 204 |
| 2022 | 218 |
| 2023 | 195 |
| 2024 | 188 |
| 2025 | 216 |
| 2026 | 45 |