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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1814 | 1 |
| 1831 | 1 |
| 1864 | 1 |
| 1883 | 2 |
| 1885 | 1 |
| 1886 | 1 |
| 1891 | 1 |
| 1894 | 2 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 4 |
| 1899 | 1 |
| 1900 | 4 |
| 1901 | 1 |
| 1902 | 2 |
| 1903 | 3 |
| 1904 | 3 |
| 1905 | 4 |
| 1906 | 3 |
| 1907 | 1 |
| 1908 | 11 |
| 1909 | 4 |
| 1910 | 2 |
| 1911 | 6 |
| 1912 | 4 |
| 1913 | 2 |
| 1914 | 3 |
| 1915 | 22 |
| 1916 | 22 |
| 1917 | 16 |
| 1918 | 14 |
| 1919 | 9 |
| 1920 | 16 |
| 1921 | 18 |
| 1922 | 17 |
| 1923 | 21 |
| 1924 | 20 |
| 1925 | 20 |
| 1926 | 23 |
| 1927 | 24 |
| 1928 | 33 |
| 1929 | 39 |
| 1930 | 49 |
| 1931 | 39 |
| 1932 | 51 |
| 1933 | 41 |
| 1934 | 33 |
| 1935 | 40 |
| 1936 | 27 |
| 1937 | 28 |
| 1938 | 31 |
| 1939 | 40 |
| 1940 | 40 |
| 1941 | 44 |
| 1942 | 28 |
| 1943 | 29 |
| 1944 | 23 |
| 1945 | 45 |
| 1946 | 142 |
| 1947 | 151 |
| 1948 | 103 |
| 1949 | 178 |
| 1950 | 145 |
| 1951 | 130 |
| 1952 | 107 |
| 1953 | 97 |
| 1954 | 116 |
| 1955 | 79 |
| 1956 | 73 |
| 1957 | 62 |
| 1958 | 57 |
| 1959 | 74 |
| 1960 | 82 |
| 1961 | 86 |
| 1962 | 188 |
| 1963 | 2725 |
| 1964 | 5494 |
| 1965 | 3604 |
| 1966 | 1940 |
| 1967 | 2230 |
| 1968 | 3133 |
| 1969 | 3482 |
| 1970 | 3147 |
| 1971 | 3890 |
| 1972 | 4203 |
| 1973 | 4652 |
| 1974 | 5060 |
| 1975 | 3767 |
| 1976 | 3526 |
| 1977 | 3069 |
| 1978 | 3209 |
| 1979 | 3505 |
| 1980 | 3556 |
| 1981 | 3291 |
| 1982 | 3520 |
| 1983 | 3794 |
| 1984 | 3702 |
| 1985 | 4085 |
| 1986 | 4253 |
| 1987 | 3997 |
| 1988 | 3477 |
| 1989 | 3519 |
| 1990 | 3014 |
| 1991 | 3119 |
| 1992 | 2878 |
| 1993 | 2544 |
| 1994 | 2599 |
| 1995 | 2864 |
| 1996 | 2152 |
| 1997 | 2004 |
| 1998 | 2088 |
| 1999 | 2325 |
| 2000 | 2827 |
| 2001 | 4004 |
| 2002 | 4703 |
| 2003 | 4403 |
| 2004 | 4756 |
| 2005 | 5504 |
| 2006 | 6340 |
| 2007 | 6157 |
| 2008 | 6412 |
| 2009 | 7361 |
| 2010 | 8172 |
| 2011 | 8529 |
| 2012 | 8629 |
| 2013 | 9007 |
| 2014 | 11698 |
| 2015 | 12829 |
| 2016 | 14243 |
| 2017 | 14903 |
| 2018 | 15989 |
| 2019 | 16914 |
| 2020 | 19462 |
| 2021 | 21684 |
| 2022 | 23089 |
| 2023 | 21189 |
| 2024 | 6677 |