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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1867 | 1 |
| 1937 | 1 |
| 1942 | 1 |
| 1966 | 1 |
| 1975 | 1 |
| 1981 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 19 |
| 2012 | 31 |
| 2013 | 24 |
| 2014 | 21 |
| 2015 | 6 |
| 2016 | 13 |
| 2017 | 8 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 0 |