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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1870 | 1 |
| 1893 | 1 |
| 1894 | 2 |
| 1895 | 1 |
| 1896 | 2 |
| 1897 | 3 |
| 1898 | 4 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1911 | 2 |
| 1912 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1919 | 1 |
| 1920 | 3 |
| 1927 | 1 |
| 1929 | 3 |
| 1930 | 2 |
| 1931 | 1 |
| 1934 | 2 |
| 1939 | 1 |
| 1947 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1954 | 2 |
| 1955 | 3 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 4 |
| 1966 | 7 |
| 1967 | 4 |
| 1968 | 2 |
| 1969 | 5 |
| 1970 | 4 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 7 |
| 1977 | 1 |
| 1978 | 2 |
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 3 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 2005 | 1 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 6 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 0 |