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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1853 | 3 |
| 1855 | 1 |
| 1871 | 3 |
| 1879 | 1 |
| 1887 | 2 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1910 | 2 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 2 |
| 1916 | 1 |
| 1917 | 1 |
| 1919 | 3 |
| 1920 | 3 |
| 1921 | 4 |
| 1922 | 2 |
| 1923 | 2 |
| 1924 | 2 |
| 1925 | 1 |
| 1926 | 2 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 4 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 3 |
| 1935 | 1 |
| 1937 | 1 |
| 1939 | 1 |
| 1940 | 2 |
| 1941 | 4 |
| 1942 | 6 |
| 1943 | 2 |
| 1945 | 5 |
| 1946 | 8 |
| 1947 | 11 |
| 1948 | 7 |
| 1949 | 9 |
| 1950 | 14 |
| 1951 | 11 |
| 1952 | 10 |
| 1953 | 9 |
| 1954 | 12 |
| 1955 | 11 |
| 1956 | 13 |
| 1957 | 15 |
| 1958 | 17 |
| 1959 | 20 |
| 1960 | 14 |
| 1961 | 14 |
| 1962 | 16 |
| 1963 | 6 |
| 1964 | 10 |
| 1965 | 20 |
| 1966 | 18 |
| 1967 | 21 |
| 1968 | 32 |
| 1969 | 30 |
| 1970 | 28 |
| 1971 | 29 |
| 1972 | 21 |
| 1973 | 30 |
| 1974 | 39 |
| 1975 | 42 |
| 1976 | 45 |
| 1977 | 48 |
| 1978 | 38 |
| 1979 | 53 |
| 1980 | 50 |
| 1981 | 32 |
| 1982 | 35 |
| 1983 | 51 |
| 1984 | 34 |
| 1985 | 49 |
| 1986 | 53 |
| 1987 | 67 |
| 1988 | 78 |
| 1989 | 47 |
| 1990 | 69 |
| 1991 | 96 |
| 1992 | 65 |
| 1993 | 62 |
| 1994 | 80 |
| 1995 | 61 |
| 1996 | 73 |
| 1997 | 74 |
| 1998 | 63 |
| 1999 | 68 |
| 2000 | 69 |
| 2001 | 60 |
| 2002 | 70 |
| 2003 | 63 |
| 2004 | 79 |
| 2005 | 134 |
| 2006 | 82 |
| 2007 | 100 |
| 2008 | 100 |
| 2009 | 115 |
| 2010 | 93 |
| 2011 | 111 |
| 2012 | 121 |
| 2013 | 119 |
| 2014 | 136 |
| 2015 | 152 |
| 2016 | 131 |
| 2017 | 120 |
| 2018 | 118 |
| 2019 | 120 |
| 2020 | 151 |
| 2021 | 111 |
| 2022 | 134 |
| 2023 | 133 |
| 2024 | 82 |