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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1896 | 3 |
| 1897 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1903 | 1 |
| 1910 | 1 |
| 1911 | 1 |
| 1914 | 1 |
| 1917 | 1 |
| 1919 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1967 | 1 |
| 1972 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1987 | 1 |
| 1996 | 2 |
| 1997 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |