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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1797 | 2 |
| 1799 | 1 |
| 1802 | 2 |
| 1803 | 1 |
| 1806 | 2 |
| 1809 | 1 |
| 1811 | 1 |
| 1812 | 1 |
| 1815 | 1 |
| 1828 | 2 |
| 1829 | 3 |
| 1830 | 1 |
| 1838 | 2 |
| 1841 | 3 |
| 1842 | 4 |
| 1843 | 2 |
| 1844 | 1 |
| 1851 | 1 |
| 1853 | 2 |
| 1854 | 3 |
| 1855 | 4 |
| 1856 | 6 |
| 1858 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1862 | 2 |
| 1864 | 2 |
| 1865 | 3 |
| 1866 | 2 |
| 1867 | 1 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 3 |
| 1872 | 7 |
| 1874 | 1 |
| 1877 | 2 |
| 1879 | 2 |
| 1882 | 2 |
| 1883 | 2 |
| 1886 | 3 |
| 1887 | 2 |
| 1888 | 6 |
| 1889 | 5 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1897 | 2 |
| 1898 | 3 |
| 1901 | 1 |
| 1905 | 1 |
| 1906 | 4 |
| 1908 | 1 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 2 |
| 1913 | 5 |
| 1914 | 3 |
| 1916 | 1 |
| 1917 | 4 |
| 1918 | 4 |
| 1919 | 6 |
| 1920 | 3 |
| 1921 | 4 |
| 1923 | 3 |
| 1924 | 3 |
| 1925 | 4 |
| 1926 | 3 |
| 1927 | 6 |
| 1928 | 6 |
| 1929 | 1 |
| 1930 | 5 |
| 1931 | 8 |
| 1932 | 5 |
| 1933 | 3 |
| 1934 | 3 |
| 1935 | 3 |
| 1937 | 4 |
| 1938 | 3 |
| 1939 | 4 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 4 |
| 1943 | 5 |
| 1944 | 1 |
| 1945 | 8 |
| 1946 | 29 |
| 1947 | 48 |
| 1948 | 46 |
| 1949 | 30 |
| 1950 | 34 |
| 1951 | 41 |
| 1952 | 43 |
| 1953 | 38 |
| 1954 | 47 |
| 1955 | 28 |
| 1956 | 31 |
| 1957 | 30 |
| 1958 | 40 |
| 1959 | 37 |
| 1960 | 42 |
| 1961 | 32 |
| 1962 | 51 |
| 1963 | 44 |
| 1964 | 47 |
| 1965 | 50 |
| 1966 | 55 |
| 1967 | 66 |
| 1968 | 92 |
| 1969 | 68 |
| 1970 | 94 |
| 1971 | 85 |
| 1972 | 99 |
| 1973 | 99 |
| 1974 | 104 |
| 1975 | 97 |
| 1976 | 108 |
| 1977 | 111 |
| 1978 | 109 |
| 1979 | 122 |
| 1980 | 110 |
| 1981 | 138 |
| 1982 | 125 |
| 1983 | 165 |
| 1984 | 149 |
| 1985 | 186 |
| 1986 | 182 |
| 1987 | 211 |
| 1988 | 179 |
| 1989 | 200 |
| 1990 | 185 |
| 1991 | 186 |
| 1992 | 242 |
| 1993 | 177 |
| 1994 | 221 |
| 1995 | 222 |
| 1996 | 272 |
| 1997 | 195 |
| 1998 | 227 |
| 1999 | 236 |
| 2000 | 230 |
| 2001 | 221 |
| 2002 | 272 |
| 2003 | 272 |
| 2004 | 281 |
| 2005 | 276 |
| 2006 | 281 |
| 2007 | 303 |
| 2008 | 312 |
| 2009 | 318 |
| 2010 | 325 |
| 2011 | 388 |
| 2012 | 461 |
| 2013 | 467 |
| 2014 | 451 |
| 2015 | 474 |
| 2016 | 487 |
| 2017 | 520 |
| 2018 | 532 |
| 2019 | 506 |
| 2020 | 613 |
| 2021 | 653 |
| 2022 | 562 |
| 2023 | 532 |
| 2024 | 365 |