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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 2 |
| 1870 | 1 |
| 1873 | 2 |
| 1876 | 1 |
| 1877 | 2 |
| 1881 | 2 |
| 1883 | 1 |
| 1884 | 2 |
| 1885 | 2 |
| 1886 | 2 |
| 1887 | 1 |
| 1889 | 1 |
| 1890 | 2 |
| 1892 | 1 |
| 1893 | 1 |
| 1896 | 4 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 3 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 3 |
| 1910 | 4 |
| 1911 | 1 |
| 1921 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 5 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 4 |
| 1977 | 2 |
| 1979 | 2 |
| 1980 | 4 |
| 1981 | 4 |
| 1982 | 1 |
| 1983 | 3 |
| 1986 | 3 |
| 1988 | 2 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 3 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 3 |
| 2000 | 7 |
| 2001 | 3 |
| 2002 | 3 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 4 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2025 | 2 |