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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1877 | 1 |
| 1883 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1954 | 3 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 2 |
| 1962 | 5 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 1 |
| 1968 | 1 |
| 1977 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1992 | 1 |
| 1994 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 0 |