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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 3 |
| 1867 | 3 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 2 |
| 1873 | 1 |
| 1876 | 3 |
| 1878 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1882 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1914 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 3 |
| 1936 | 3 |
| 1944 | 2 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 1 |
| 1958 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1964 | 2 |
| 1966 | 1 |
| 1969 | 3 |
| 1970 | 4 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 4 |
| 1974 | 1 |
| 1975 | 6 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 8 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 5 |
| 1987 | 2 |
| 1988 | 5 |
| 1990 | 2 |
| 1991 | 1 |
| 1993 | 4 |
| 1994 | 3 |
| 1995 | 3 |
| 1996 | 1 |
| 1997 | 6 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 4 |
| 2003 | 4 |
| 2004 | 5 |
| 2005 | 1 |
| 2006 | 4 |
| 2007 | 5 |
| 2008 | 6 |
| 2009 | 3 |
| 2010 | 7 |
| 2011 | 8 |
| 2012 | 6 |
| 2013 | 6 |
| 2014 | 8 |
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 3 |
| 2023 | 1 |
| 2024 | 0 |