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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1879 | 1 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 1 |
| 1887 | 1 |
| 1888 | 2 |
| 1893 | 2 |
| 1903 | 1 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1912 | 1 |
| 1914 | 5 |
| 1916 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1946 | 1 |
| 1950 | 6 |
| 1952 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 3 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1976 | 2 |
| 1980 | 2 |
| 1984 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 1 |
| 1992 | 2 |
| 1993 | 2 |
| 1998 | 1 |
| 2002 | 1 |
| 2006 | 2 |
| 2007 | 33 |
| 2011 | 1 |
| 2012 | 2 |
| 2013 | 3 |
| 2014 | 3 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 3 |
| 2025 | 1 |