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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1860 | 2 |
| 1862 | 1 |
| 1863 | 1 |
| 1867 | 2 |
| 1869 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1891 | 1 |
| 1893 | 1 |
| 1903 | 1 |
| 1907 | 2 |
| 1912 | 4 |
| 1913 | 1 |
| 1914 | 5 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 3 |
| 1922 | 2 |
| 1923 | 2 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 2 |
| 1930 | 2 |
| 1931 | 3 |
| 1932 | 2 |
| 1933 | 3 |
| 1934 | 3 |
| 1935 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 2 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 4 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 10 |
| 1951 | 5 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 8 |
| 1955 | 5 |
| 1956 | 9 |
| 1957 | 10 |
| 1958 | 4 |
| 1959 | 2 |
| 1960 | 6 |
| 1961 | 6 |
| 1962 | 13 |
| 1963 | 3 |
| 1964 | 10 |
| 1965 | 18 |
| 1966 | 23 |
| 1967 | 21 |
| 1968 | 8 |
| 1969 | 15 |
| 1970 | 11 |
| 1971 | 10 |
| 1972 | 20 |
| 1973 | 13 |
| 1974 | 32 |
| 1975 | 23 |
| 1976 | 35 |
| 1977 | 21 |
| 1978 | 18 |
| 1979 | 22 |
| 1980 | 29 |
| 1981 | 47 |
| 1982 | 49 |
| 1983 | 46 |
| 1984 | 42 |
| 1985 | 45 |
| 1986 | 37 |
| 1987 | 33 |
| 1988 | 47 |
| 1989 | 48 |
| 1990 | 56 |
| 1991 | 59 |
| 1992 | 54 |
| 1993 | 53 |
| 1994 | 63 |
| 1995 | 52 |
| 1996 | 68 |
| 1997 | 69 |
| 1998 | 55 |
| 1999 | 75 |
| 2000 | 97 |
| 2001 | 75 |
| 2002 | 90 |
| 2003 | 88 |
| 2004 | 106 |
| 2005 | 101 |
| 2006 | 125 |
| 2007 | 109 |
| 2008 | 107 |
| 2009 | 143 |
| 2010 | 139 |
| 2011 | 133 |
| 2012 | 170 |
| 2013 | 168 |
| 2014 | 175 |
| 2015 | 193 |
| 2016 | 225 |
| 2017 | 227 |
| 2018 | 254 |
| 2019 | 246 |
| 2020 | 274 |
| 2021 | 267 |
| 2022 | 266 |
| 2023 | 242 |
| 2024 | 123 |