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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1825 | 2 |
| 1828 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1831 | 1 |
| 1832 | 1 |
| 1857 | 1 |
| 1877 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 2 |
| 1882 | 1 |
| 1884 | 2 |
| 1888 | 1 |
| 1889 | 1 |
| 1893 | 3 |
| 1894 | 2 |
| 1895 | 1 |
| 1897 | 2 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1908 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1914 | 2 |
| 1918 | 1 |
| 1922 | 1 |
| 1927 | 5 |
| 1929 | 2 |
| 1930 | 3 |
| 1932 | 2 |
| 1934 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 2 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1945 | 2 |
| 1946 | 9 |
| 1947 | 9 |
| 1948 | 6 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 11 |
| 1952 | 3 |
| 1953 | 6 |
| 1954 | 9 |
| 1955 | 11 |
| 1956 | 16 |
| 1957 | 21 |
| 1958 | 15 |
| 1959 | 19 |
| 1960 | 15 |
| 1961 | 7 |
| 1962 | 12 |
| 1963 | 13 |
| 1964 | 9 |
| 1965 | 9 |
| 1966 | 16 |
| 1967 | 21 |
| 1968 | 21 |
| 1969 | 19 |
| 1970 | 21 |
| 1971 | 12 |
| 1972 | 17 |
| 1973 | 11 |
| 1974 | 25 |
| 1975 | 19 |
| 1976 | 21 |
| 1977 | 20 |
| 1978 | 31 |
| 1979 | 29 |
| 1980 | 35 |
| 1981 | 43 |
| 1982 | 34 |
| 1983 | 27 |
| 1984 | 40 |
| 1985 | 32 |
| 1986 | 38 |
| 1987 | 31 |
| 1988 | 24 |
| 1989 | 39 |
| 1990 | 42 |
| 1991 | 34 |
| 1992 | 42 |
| 1993 | 58 |
| 1994 | 41 |
| 1995 | 46 |
| 1996 | 41 |
| 1997 | 36 |
| 1998 | 41 |
| 1999 | 35 |
| 2000 | 42 |
| 2001 | 35 |
| 2002 | 34 |
| 2003 | 28 |
| 2004 | 43 |
| 2005 | 53 |
| 2006 | 53 |
| 2007 | 46 |
| 2008 | 60 |
| 2009 | 69 |
| 2010 | 77 |
| 2011 | 70 |
| 2012 | 65 |
| 2013 | 73 |
| 2014 | 67 |
| 2015 | 65 |
| 2016 | 56 |
| 2017 | 65 |
| 2018 | 58 |
| 2019 | 52 |
| 2020 | 64 |
| 2021 | 66 |
| 2022 | 54 |
| 2023 | 44 |
| 2024 | 40 |