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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1841 | 1 |
| 1844 | 1 |
| 1845 | 1 |
| 1849 | 2 |
| 1859 | 1 |
| 1864 | 1 |
| 1866 | 1 |
| 1867 | 1 |
| 1870 | 1 |
| 1871 | 10 |
| 1872 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1881 | 1 |
| 1884 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1899 | 2 |
| 1900 | 1 |
| 1901 | 5 |
| 1902 | 3 |
| 1904 | 1 |
| 1905 | 4 |
| 1906 | 2 |
| 1907 | 2 |
| 1909 | 2 |
| 1910 | 2 |
| 1911 | 3 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 11 |
| 1916 | 15 |
| 1917 | 8 |
| 1918 | 5 |
| 1919 | 3 |
| 1920 | 1 |
| 1923 | 3 |
| 1924 | 9 |
| 1925 | 9 |
| 1926 | 5 |
| 1927 | 3 |
| 1928 | 5 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 3 |
| 1935 | 2 |
| 1936 | 1 |
| 1939 | 4 |
| 1940 | 2 |
| 1941 | 3 |
| 1942 | 7 |
| 1943 | 7 |
| 1944 | 3 |
| 1945 | 11 |
| 1946 | 12 |
| 1947 | 7 |
| 1948 | 1 |
| 1949 | 9 |
| 1950 | 11 |
| 1951 | 10 |
| 1952 | 9 |
| 1953 | 10 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 8 |
| 1957 | 6 |
| 1958 | 5 |
| 1959 | 7 |
| 1960 | 12 |
| 1961 | 11 |
| 1962 | 9 |
| 1963 | 12 |
| 1964 | 11 |
| 1965 | 9 |
| 1966 | 12 |
| 1967 | 9 |
| 1968 | 17 |
| 1969 | 27 |
| 1970 | 15 |
| 1971 | 18 |
| 1972 | 26 |
| 1973 | 21 |
| 1974 | 12 |
| 1975 | 14 |
| 1976 | 18 |
| 1977 | 26 |
| 1978 | 17 |
| 1979 | 24 |
| 1980 | 31 |
| 1981 | 28 |
| 1982 | 30 |
| 1983 | 30 |
| 1984 | 32 |
| 1985 | 24 |
| 1986 | 29 |
| 1987 | 33 |
| 1988 | 36 |
| 1989 | 25 |
| 1990 | 33 |
| 1991 | 21 |
| 1992 | 27 |
| 1993 | 29 |
| 1994 | 26 |
| 1995 | 33 |
| 1996 | 36 |
| 1997 | 31 |
| 1998 | 21 |
| 1999 | 29 |
| 2000 | 39 |
| 2001 | 41 |
| 2002 | 41 |
| 2003 | 53 |
| 2004 | 49 |
| 2005 | 47 |
| 2006 | 52 |
| 2007 | 65 |
| 2008 | 68 |
| 2009 | 87 |
| 2010 | 97 |
| 2011 | 64 |
| 2012 | 79 |
| 2013 | 79 |
| 2014 | 82 |
| 2015 | 84 |
| 2016 | 98 |
| 2017 | 123 |
| 2018 | 127 |
| 2019 | 130 |
| 2020 | 160 |
| 2021 | 190 |
| 2022 | 164 |
| 2023 | 168 |
| 2024 | 146 |