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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1880 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1914 | 1 |
| 1948 | 1 |
| 1962 | 6 |
| 1963 | 10 |
| 1964 | 3 |
| 1965 | 3 |
| 1967 | 1 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 3 |
| 1974 | 6 |
| 1975 | 6 |
| 1977 | 1 |
| 1987 | 1 |
| 1991 | 1 |
| 1995 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2003 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 1 |
| 2013 | 11 |
| 2014 | 10 |
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 19 |
| 2019 | 12 |
| 2020 | 24 |
| 2021 | 27 |
| 2022 | 37 |
| 2023 | 44 |
| 2024 | 34 |