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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1817 | 1 |
| 1819 | 1 |
| 1820 | 1 |
| 1821 | 1 |
| 1822 | 2 |
| 1825 | 1 |
| 1826 | 1 |
| 1829 | 1 |
| 1830 | 1 |
| 1831 | 5 |
| 1839 | 1 |
| 1842 | 3 |
| 1843 | 4 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 1 |
| 1850 | 1 |
| 1853 | 1 |
| 1854 | 2 |
| 1855 | 2 |
| 1856 | 1 |
| 1857 | 3 |
| 1860 | 4 |
| 1861 | 1 |
| 1862 | 2 |
| 1865 | 1 |
| 1867 | 1 |
| 1872 | 1 |
| 1874 | 2 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 2 |
| 1888 | 2 |
| 1893 | 1 |
| 1894 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1904 | 1 |
| 1906 | 1 |
| 1909 | 4 |
| 1912 | 2 |
| 1914 | 2 |
| 1916 | 1 |
| 1918 | 1 |
| 1920 | 1 |
| 1922 | 1 |
| 1927 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1932 | 1 |
| 1933 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 2 |
| 1943 | 2 |
| 1945 | 9 |
| 1946 | 20 |
| 1947 | 17 |
| 1948 | 44 |
| 1949 | 41 |
| 1950 | 48 |
| 1951 | 59 |
| 1952 | 82 |
| 1953 | 64 |
| 1954 | 65 |
| 1955 | 74 |
| 1956 | 61 |
| 1957 | 61 |
| 1958 | 53 |
| 1959 | 32 |
| 1960 | 9 |
| 1962 | 5 |
| 1963 | 39 |
| 1964 | 84 |
| 1965 | 66 |
| 1966 | 73 |
| 1967 | 81 |
| 1968 | 91 |
| 1969 | 85 |
| 1970 | 105 |
| 1971 | 73 |
| 1972 | 72 |
| 1973 | 106 |
| 1974 | 90 |
| 1975 | 105 |
| 1976 | 106 |
| 1977 | 110 |
| 1978 | 123 |
| 1979 | 107 |
| 1980 | 96 |
| 1981 | 145 |
| 1982 | 102 |
| 1983 | 91 |
| 1984 | 83 |
| 1985 | 104 |
| 1986 | 98 |
| 1987 | 101 |
| 1988 | 101 |
| 1989 | 86 |
| 1990 | 96 |
| 1991 | 101 |
| 1992 | 78 |
| 1993 | 96 |
| 1994 | 75 |
| 1995 | 84 |
| 1996 | 71 |
| 1997 | 69 |
| 1998 | 81 |
| 1999 | 64 |
| 2000 | 58 |
| 2001 | 73 |
| 2002 | 66 |
| 2003 | 80 |
| 2004 | 44 |
| 2005 | 56 |
| 2006 | 60 |
| 2007 | 64 |
| 2008 | 59 |
| 2009 | 62 |
| 2010 | 62 |
| 2011 | 50 |
| 2012 | 63 |
| 2013 | 58 |
| 2014 | 55 |
| 2015 | 49 |
| 2016 | 50 |
| 2017 | 56 |
| 2018 | 55 |
| 2019 | 50 |
| 2020 | 57 |
| 2021 | 65 |
| 2022 | 63 |
| 2023 | 55 |
| 2024 | 34 |