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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1859 | 1 |
| 1872 | 1 |
| 1881 | 1 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 3 |
| 1888 | 2 |
| 1889 | 1 |
| 1890 | 2 |
| 1891 | 1 |
| 1892 | 1 |
| 1896 | 3 |
| 1899 | 3 |
| 1903 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1952 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1977 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1990 | 2 |
| 1991 | 1 |
| 1993 | 3 |
| 1994 | 5 |
| 1995 | 2 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 2 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 8 |
| 2005 | 3 |
| 2006 | 9 |
| 2007 | 4 |
| 2008 | 11 |
| 2009 | 5 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 4 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2020 | 1 |
| 2024 | 0 |