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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1933 | 1 |
| 1937 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1977 | 1 |
| 1992 | 1 |
| 1999 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 9 |
| 2012 | 2 |
| 2013 | 5 |
| 2014 | 5 |
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 27 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 8 |