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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1805 | 1 |
| 1820 | 1 |
| 1855 | 1 |
| 1857 | 1 |
| 1858 | 1 |
| 1865 | 4 |
| 1867 | 2 |
| 1868 | 5 |
| 1869 | 4 |
| 1870 | 1 |
| 1871 | 3 |
| 1872 | 1 |
| 1873 | 4 |
| 1875 | 2 |
| 1876 | 4 |
| 1877 | 1 |
| 1878 | 3 |
| 1879 | 6 |
| 1880 | 1 |
| 1883 | 1 |
| 1886 | 1 |
| 1888 | 2 |
| 1897 | 1 |
| 1909 | 2 |
| 1911 | 1 |
| 1913 | 3 |
| 1914 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1930 | 5 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 3 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 11 |
| 1947 | 3 |
| 1948 | 5 |
| 1949 | 6 |
| 1950 | 3 |
| 1951 | 10 |
| 1952 | 4 |
| 1953 | 7 |
| 1954 | 7 |
| 1955 | 3 |
| 1956 | 4 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 7 |
| 1960 | 10 |
| 1961 | 10 |
| 1962 | 5 |
| 1963 | 10 |
| 1964 | 6 |
| 1965 | 13 |
| 1966 | 18 |
| 1967 | 10 |
| 1968 | 14 |
| 1969 | 11 |
| 1970 | 15 |
| 1971 | 15 |
| 1972 | 22 |
| 1973 | 13 |
| 1974 | 15 |
| 1975 | 28 |
| 1976 | 33 |
| 1977 | 32 |
| 1978 | 33 |
| 1979 | 33 |
| 1980 | 20 |
| 1981 | 35 |
| 1982 | 34 |
| 1983 | 36 |
| 1984 | 44 |
| 1985 | 27 |
| 1986 | 53 |
| 1987 | 70 |
| 1988 | 69 |
| 1989 | 67 |
| 1990 | 73 |
| 1991 | 66 |
| 1992 | 72 |
| 1993 | 60 |
| 1994 | 75 |
| 1995 | 82 |
| 1996 | 93 |
| 1997 | 79 |
| 1998 | 76 |
| 1999 | 87 |
| 2000 | 83 |
| 2001 | 98 |
| 2002 | 100 |
| 2003 | 98 |
| 2004 | 106 |
| 2005 | 97 |
| 2006 | 103 |
| 2007 | 141 |
| 2008 | 141 |
| 2009 | 147 |
| 2010 | 159 |
| 2011 | 148 |
| 2012 | 178 |
| 2013 | 180 |
| 2014 | 184 |
| 2015 | 193 |
| 2016 | 202 |
| 2017 | 194 |
| 2018 | 232 |
| 2019 | 245 |
| 2020 | 267 |
| 2021 | 297 |
| 2022 | 276 |
| 2023 | 263 |
| 2024 | 88 |