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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1853 | 2 |
| 1855 | 1 |
| 1856 | 1 |
| 1864 | 1 |
| 1867 | 1 |
| 1869 | 3 |
| 1870 | 3 |
| 1873 | 1 |
| 1876 | 1 |
| 1883 | 1 |
| 1896 | 1 |
| 1900 | 2 |
| 1909 | 1 |
| 1959 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 2002 | 4 |
| 2003 | 1 |
| 2004 | 4 |
| 2005 | 8 |
| 2006 | 8 |
| 2007 | 14 |
| 2008 | 12 |
| 2009 | 10 |
| 2010 | 12 |
| 2011 | 13 |
| 2012 | 15 |
| 2013 | 17 |
| 2014 | 22 |
| 2015 | 22 |
| 2016 | 22 |
| 2017 | 23 |
| 2018 | 17 |
| 2019 | 22 |
| 2020 | 27 |
| 2021 | 22 |
| 2022 | 15 |
| 2023 | 17 |
| 2024 | 6 |