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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1880 | 8 |
| 1881 | 16 |
| 1883 | 2 |
| 1884 | 5 |
| 1885 | 7 |
| 1886 | 21 |
| 1887 | 7 |
| 1888 | 1 |
| 1889 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1904 | 2 |
| 1906 | 4 |
| 1907 | 3 |
| 1910 | 2 |
| 1913 | 1 |
| 1914 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1923 | 1 |
| 1946 | 1 |
| 1950 | 1 |
| 1955 | 8 |
| 1957 | 7 |
| 1958 | 11 |
| 1959 | 4 |
| 1960 | 8 |
| 1961 | 4 |
| 1962 | 1 |
| 1963 | 30 |
| 1964 | 5 |
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 6 |
| 1971 | 13 |
| 1972 | 24 |
| 1973 | 28 |
| 1974 | 21 |
| 1975 | 15 |
| 1982 | 2 |
| 1983 | 3 |
| 1987 | 5 |
| 1988 | 9 |
| 1989 | 3 |
| 1990 | 7 |
| 1991 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1998 | 3 |
| 1999 | 2 |
| 2005 | 1 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 1 |
| 2012 | 4 |
| 2013 | 1 |
| 2014 | 3 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 11 |
| 2022 | 6 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 4 |
| 2026 | 7 |