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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1802 | 1 |
| 1815 | 1 |
| 1828 | 1 |
| 1841 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1855 | 2 |
| 1859 | 5 |
| 1860 | 2 |
| 1867 | 3 |
| 1868 | 2 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1874 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 3 |
| 1880 | 3 |
| 1881 | 1 |
| 1883 | 2 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 2 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1896 | 2 |
| 1897 | 3 |
| 1898 | 2 |
| 1901 | 2 |
| 1902 | 1 |
| 1908 | 1 |
| 1912 | 2 |
| 1914 | 2 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 3 |
| 1920 | 4 |
| 1921 | 2 |
| 1922 | 5 |
| 1923 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 3 |
| 1930 | 3 |
| 1931 | 2 |
| 1932 | 3 |
| 1933 | 3 |
| 1934 | 3 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 4 |
| 1938 | 4 |
| 1939 | 8 |
| 1941 | 4 |
| 1942 | 5 |
| 1943 | 1 |
| 1944 | 6 |
| 1945 | 4 |
| 1946 | 22 |
| 1947 | 33 |
| 1948 | 29 |
| 1949 | 34 |
| 1950 | 37 |
| 1951 | 31 |
| 1952 | 36 |
| 1953 | 31 |
| 1954 | 17 |
| 1955 | 41 |
| 1956 | 46 |
| 1957 | 42 |
| 1958 | 37 |
| 1959 | 42 |
| 1960 | 42 |
| 1961 | 24 |
| 1962 | 47 |
| 1963 | 60 |
| 1964 | 72 |
| 1965 | 66 |
| 1966 | 85 |
| 1967 | 84 |
| 1968 | 107 |
| 1969 | 93 |
| 1970 | 91 |
| 1971 | 105 |
| 1972 | 117 |
| 1973 | 87 |
| 1974 | 94 |
| 1975 | 135 |
| 1976 | 142 |
| 1977 | 148 |
| 1978 | 145 |
| 1979 | 161 |
| 1980 | 120 |
| 1981 | 148 |
| 1982 | 147 |
| 1983 | 175 |
| 1984 | 201 |
| 1985 | 183 |
| 1986 | 180 |
| 1987 | 185 |
| 1988 | 208 |
| 1989 | 216 |
| 1990 | 248 |
| 1991 | 236 |
| 1992 | 261 |
| 1993 | 243 |
| 1994 | 245 |
| 1995 | 233 |
| 1996 | 270 |
| 1997 | 249 |
| 1998 | 275 |
| 1999 | 249 |
| 2000 | 257 |
| 2001 | 252 |
| 2002 | 314 |
| 2003 | 299 |
| 2004 | 335 |
| 2005 | 375 |
| 2006 | 386 |
| 2007 | 425 |
| 2008 | 477 |
| 2009 | 475 |
| 2010 | 605 |
| 2011 | 569 |
| 2012 | 639 |
| 2013 | 707 |
| 2014 | 782 |
| 2015 | 709 |
| 2016 | 832 |
| 2017 | 726 |
| 2018 | 769 |
| 2019 | 832 |
| 2020 | 940 |
| 2021 | 1009 |
| 2022 | 944 |
| 2023 | 426 |