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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 2 |
| 1823 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1881 | 3 |
| 1882 | 3 |
| 1883 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1888 | 4 |
| 1889 | 2 |
| 1893 | 2 |
| 1895 | 2 |
| 1896 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1911 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1917 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 3 |
| 1942 | 1 |
| 1946 | 5 |
| 1947 | 7 |
| 1948 | 10 |
| 1949 | 10 |
| 1950 | 3 |
| 1951 | 8 |
| 1952 | 7 |
| 1953 | 9 |
| 1954 | 7 |
| 1955 | 12 |
| 1956 | 16 |
| 1957 | 12 |
| 1958 | 10 |
| 1959 | 9 |
| 1960 | 14 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 18 |
| 1964 | 14 |
| 1965 | 7 |
| 1966 | 11 |
| 1967 | 11 |
| 1968 | 7 |
| 1969 | 15 |
| 1970 | 21 |
| 1971 | 35 |
| 1972 | 23 |
| 1973 | 17 |
| 1974 | 27 |
| 1975 | 26 |
| 1976 | 35 |
| 1977 | 28 |
| 1978 | 39 |
| 1979 | 55 |
| 1980 | 55 |
| 1981 | 35 |
| 1982 | 37 |
| 1983 | 48 |
| 1984 | 45 |
| 1985 | 39 |
| 1986 | 53 |
| 1987 | 44 |
| 1988 | 39 |
| 1989 | 42 |
| 1990 | 52 |
| 1991 | 44 |
| 1992 | 46 |
| 1993 | 47 |
| 1994 | 52 |
| 1995 | 46 |
| 1996 | 61 |
| 1997 | 66 |
| 1998 | 64 |
| 1999 | 64 |
| 2000 | 74 |
| 2001 | 60 |
| 2002 | 68 |
| 2003 | 80 |
| 2004 | 83 |
| 2005 | 81 |
| 2006 | 103 |
| 2007 | 94 |
| 2008 | 83 |
| 2009 | 91 |
| 2010 | 107 |
| 2011 | 99 |
| 2012 | 97 |
| 2013 | 109 |
| 2014 | 98 |
| 2015 | 105 |
| 2016 | 138 |
| 2017 | 128 |
| 2018 | 136 |
| 2019 | 139 |
| 2020 | 168 |
| 2021 | 206 |
| 2022 | 170 |
| 2023 | 166 |
| 2024 | 66 |