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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1794 | 1 |
| 1854 | 3 |
| 1855 | 2 |
| 1856 | 4 |
| 1857 | 2 |
| 1858 | 1 |
| 1861 | 1 |
| 1865 | 2 |
| 1868 | 2 |
| 1869 | 2 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 2 |
| 1878 | 4 |
| 1879 | 2 |
| 1880 | 2 |
| 1882 | 1 |
| 1883 | 5 |
| 1884 | 1 |
| 1892 | 2 |
| 1893 | 1 |
| 1895 | 1 |
| 1899 | 3 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 4 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 2 |
| 1912 | 5 |
| 1913 | 3 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 1 |
| 1917 | 3 |
| 1918 | 3 |
| 1919 | 2 |
| 1920 | 4 |
| 1922 | 5 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 2 |
| 1926 | 4 |
| 1927 | 5 |
| 1928 | 5 |
| 1929 | 2 |
| 1930 | 4 |
| 1931 | 2 |
| 1932 | 2 |
| 1933 | 2 |
| 1934 | 2 |
| 1935 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1941 | 1 |
| 1942 | 3 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 5 |
| 1946 | 25 |
| 1947 | 15 |
| 1948 | 17 |
| 1949 | 16 |
| 1950 | 20 |
| 1951 | 17 |
| 1952 | 17 |
| 1953 | 14 |
| 1954 | 16 |
| 1955 | 21 |
| 1956 | 23 |
| 1957 | 14 |
| 1958 | 13 |
| 1959 | 16 |
| 1960 | 29 |
| 1961 | 21 |
| 1962 | 21 |
| 1963 | 28 |
| 1964 | 28 |
| 1965 | 49 |
| 1966 | 51 |
| 1967 | 60 |
| 1968 | 33 |
| 1969 | 53 |
| 1970 | 43 |
| 1971 | 59 |
| 1972 | 68 |
| 1973 | 53 |
| 1974 | 45 |
| 1975 | 39 |
| 1976 | 64 |
| 1977 | 46 |
| 1978 | 57 |
| 1979 | 64 |
| 1980 | 68 |
| 1981 | 62 |
| 1982 | 74 |
| 1983 | 73 |
| 1984 | 61 |
| 1985 | 76 |
| 1986 | 89 |
| 1987 | 100 |
| 1988 | 106 |
| 1989 | 120 |
| 1990 | 109 |
| 1991 | 116 |
| 1992 | 123 |
| 1993 | 152 |
| 1994 | 146 |
| 1995 | 164 |
| 1996 | 157 |
| 1997 | 137 |
| 1998 | 148 |
| 1999 | 158 |
| 2000 | 152 |
| 2001 | 194 |
| 2002 | 189 |
| 2003 | 193 |
| 2004 | 218 |
| 2005 | 248 |
| 2006 | 252 |
| 2007 | 237 |
| 2008 | 263 |
| 2009 | 327 |
| 2010 | 346 |
| 2011 | 366 |
| 2012 | 388 |
| 2013 | 392 |
| 2014 | 434 |
| 2015 | 532 |
| 2016 | 519 |
| 2017 | 533 |
| 2018 | 577 |
| 2019 | 601 |
| 2020 | 565 |
| 2021 | 691 |
| 2022 | 616 |
| 2023 | 300 |