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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1830 | 1 |
| 1831 | 1 |
| 1832 | 2 |
| 1854 | 4 |
| 1855 | 2 |
| 1856 | 4 |
| 1857 | 6 |
| 1859 | 6 |
| 1860 | 4 |
| 1861 | 1 |
| 1862 | 2 |
| 1865 | 1 |
| 1866 | 10 |
| 1867 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1881 | 4 |
| 1882 | 3 |
| 1883 | 4 |
| 1884 | 3 |
| 1885 | 2 |
| 1886 | 1 |
| 1895 | 1 |
| 1932 | 1 |
| 1941 | 1 |
| 1947 | 2 |
| 1948 | 3 |
| 1950 | 3 |
| 1951 | 1 |
| 1954 | 1 |
| 1959 | 1 |
| 1969 | 5 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 5 |
| 1981 | 3 |
| 1982 | 4 |
| 1983 | 7 |
| 1984 | 5 |
| 1985 | 8 |
| 1986 | 16 |
| 1987 | 13 |
| 1988 | 13 |
| 1989 | 13 |
| 1990 | 10 |
| 1991 | 8 |
| 1992 | 13 |
| 1993 | 10 |
| 1994 | 13 |
| 1995 | 17 |
| 1996 | 17 |
| 1997 | 12 |
| 1998 | 14 |
| 1999 | 10 |
| 2000 | 25 |
| 2001 | 23 |
| 2002 | 14 |
| 2003 | 14 |
| 2004 | 17 |
| 2005 | 17 |
| 2006 | 15 |
| 2007 | 12 |
| 2008 | 17 |
| 2009 | 12 |
| 2010 | 13 |
| 2011 | 26 |
| 2012 | 23 |
| 2013 | 16 |
| 2014 | 25 |
| 2015 | 21 |
| 2016 | 12 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 11 |
| 2020 | 15 |
| 2021 | 11 |
| 2022 | 3 |
| 2023 | 3 |