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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1858 | 1 |
| 1866 | 1 |
| 1867 | 4 |
| 1872 | 2 |
| 1874 | 4 |
| 1876 | 2 |
| 1877 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1882 | 1 |
| 1883 | 2 |
| 1884 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1889 | 2 |
| 1891 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 3 |
| 1901 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1921 | 2 |
| 1927 | 3 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1952 | 1 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 1 |
| 1959 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1966 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 1 |
| 1981 | 3 |
| 1982 | 1 |
| 1983 | 4 |
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 4 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 6 |
| 1990 | 4 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 10 |
| 1994 | 12 |
| 1995 | 12 |
| 1996 | 23 |
| 1997 | 34 |
| 1998 | 44 |
| 1999 | 49 |
| 2000 | 44 |
| 2001 | 45 |
| 2002 | 50 |
| 2003 | 38 |
| 2004 | 13 |
| 2005 | 11 |
| 2006 | 15 |
| 2007 | 13 |
| 2008 | 10 |
| 2009 | 19 |
| 2010 | 25 |
| 2011 | 23 |
| 2012 | 18 |
| 2013 | 10 |
| 2014 | 8 |
| 2015 | 11 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2024 | 0 |