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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1840 | 1 |
| 1842 | 1 |
| 1847 | 1 |
| 1850 | 3 |
| 1851 | 2 |
| 1852 | 2 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 3 |
| 1856 | 3 |
| 1858 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1863 | 1 |
| 1864 | 1 |
| 1866 | 2 |
| 1872 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1880 | 1 |
| 1881 | 2 |
| 1882 | 1 |
| 1883 | 3 |
| 1885 | 1 |
| 1887 | 3 |
| 1889 | 2 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 2 |
| 1893 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 2 |
| 1900 | 1 |
| 1901 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 2 |
| 1909 | 4 |
| 1910 | 6 |
| 1911 | 6 |
| 1912 | 2 |
| 1913 | 4 |
| 1914 | 3 |
| 1915 | 4 |
| 1916 | 2 |
| 1917 | 1 |
| 1919 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 2 |
| 1932 | 2 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1939 | 9 |
| 1940 | 5 |
| 1942 | 3 |
| 1943 | 6 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 10 |
| 1947 | 11 |
| 1948 | 9 |
| 1949 | 16 |
| 1950 | 7 |
| 1951 | 10 |
| 1952 | 10 |
| 1953 | 14 |
| 1954 | 14 |
| 1955 | 10 |
| 1956 | 9 |
| 1957 | 17 |
| 1958 | 19 |
| 1959 | 13 |
| 1960 | 15 |
| 1961 | 16 |
| 1962 | 14 |
| 1963 | 14 |
| 1964 | 12 |
| 1965 | 15 |
| 1966 | 14 |
| 1967 | 25 |
| 1968 | 29 |
| 1969 | 38 |
| 1970 | 45 |
| 1971 | 35 |
| 1972 | 33 |
| 1973 | 49 |
| 1974 | 33 |
| 1975 | 57 |
| 1976 | 64 |
| 1977 | 55 |
| 1978 | 68 |
| 1979 | 60 |
| 1980 | 64 |
| 1981 | 79 |
| 1982 | 92 |
| 1983 | 73 |
| 1984 | 78 |
| 1985 | 105 |
| 1986 | 115 |
| 1987 | 102 |
| 1988 | 129 |
| 1989 | 124 |
| 1990 | 147 |
| 1991 | 152 |
| 1992 | 161 |
| 1993 | 168 |
| 1994 | 144 |
| 1995 | 148 |
| 1996 | 126 |
| 1997 | 131 |
| 1998 | 131 |
| 1999 | 148 |
| 2000 | 167 |
| 2001 | 164 |
| 2002 | 181 |
| 2003 | 224 |
| 2004 | 249 |
| 2005 | 265 |
| 2006 | 280 |
| 2007 | 282 |
| 2008 | 349 |
| 2009 | 327 |
| 2010 | 331 |
| 2011 | 403 |
| 2012 | 394 |
| 2013 | 420 |
| 2014 | 479 |
| 2015 | 517 |
| 2016 | 542 |
| 2017 | 541 |
| 2018 | 540 |
| 2019 | 598 |
| 2020 | 646 |
| 2021 | 696 |
| 2022 | 669 |
| 2023 | 631 |
| 2024 | 184 |