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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1792 | 1 |
| 1810 | 1 |
| 1816 | 3 |
| 1820 | 1 |
| 1823 | 1 |
| 1825 | 1 |
| 1846 | 3 |
| 1850 | 1 |
| 1853 | 2 |
| 1854 | 2 |
| 1855 | 1 |
| 1856 | 2 |
| 1857 | 1 |
| 1867 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 2 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 2 |
| 1887 | 3 |
| 1888 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 3 |
| 1893 | 3 |
| 1894 | 1 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 4 |
| 1898 | 4 |
| 1899 | 4 |
| 1900 | 2 |
| 1901 | 2 |
| 1902 | 7 |
| 1903 | 5 |
| 1904 | 2 |
| 1905 | 2 |
| 1906 | 3 |
| 1907 | 8 |
| 1908 | 4 |
| 1909 | 10 |
| 1910 | 5 |
| 1911 | 1 |
| 1912 | 3 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 2 |
| 1919 | 1 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 7 |
| 1926 | 8 |
| 1927 | 5 |
| 1928 | 4 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 4 |
| 1935 | 3 |
| 1936 | 2 |
| 1937 | 1 |
| 1938 | 4 |
| 1939 | 4 |
| 1940 | 3 |
| 1941 | 2 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 7 |
| 1945 | 5 |
| 1946 | 31 |
| 1947 | 37 |
| 1948 | 26 |
| 1949 | 27 |
| 1950 | 31 |
| 1951 | 21 |
| 1952 | 38 |
| 1953 | 26 |
| 1954 | 37 |
| 1955 | 43 |
| 1956 | 52 |
| 1957 | 42 |
| 1958 | 52 |
| 1959 | 63 |
| 1960 | 65 |
| 1961 | 63 |
| 1962 | 62 |
| 1963 | 63 |
| 1964 | 84 |
| 1965 | 88 |
| 1966 | 103 |
| 1967 | 94 |
| 1968 | 93 |
| 1969 | 96 |
| 1970 | 100 |
| 1971 | 103 |
| 1972 | 108 |
| 1973 | 113 |
| 1974 | 110 |
| 1975 | 128 |
| 1976 | 130 |
| 1977 | 163 |
| 1978 | 174 |
| 1979 | 187 |
| 1980 | 194 |
| 1981 | 176 |
| 1982 | 165 |
| 1983 | 209 |
| 1984 | 209 |
| 1985 | 240 |
| 1986 | 302 |
| 1987 | 299 |
| 1988 | 342 |
| 1989 | 319 |
| 1990 | 349 |
| 1991 | 322 |
| 1992 | 308 |
| 1993 | 325 |
| 1994 | 337 |
| 1995 | 304 |
| 1996 | 339 |
| 1997 | 320 |
| 1998 | 340 |
| 1999 | 349 |
| 2000 | 366 |
| 2001 | 393 |
| 2002 | 451 |
| 2003 | 474 |
| 2004 | 458 |
| 2005 | 541 |
| 2006 | 580 |
| 2007 | 594 |
| 2008 | 613 |
| 2009 | 677 |
| 2010 | 777 |
| 2011 | 787 |
| 2012 | 873 |
| 2013 | 898 |
| 2014 | 904 |
| 2015 | 936 |
| 2016 | 943 |
| 2017 | 925 |
| 2018 | 979 |
| 2019 | 1040 |
| 2020 | 1190 |
| 2021 | 1274 |
| 2022 | 1198 |
| 2023 | 1119 |
| 2024 | 524 |