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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1857 | 1 |
| 1861 | 3 |
| 1863 | 3 |
| 1864 | 1 |
| 1865 | 3 |
| 1867 | 2 |
| 1868 | 3 |
| 1869 | 1 |
| 1871 | 2 |
| 1873 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1877 | 4 |
| 1878 | 11 |
| 1879 | 2 |
| 1880 | 3 |
| 1881 | 3 |
| 1882 | 3 |
| 1883 | 2 |
| 1887 | 1 |
| 1888 | 3 |
| 1889 | 1 |
| 1890 | 2 |
| 1896 | 1 |
| 1998 | 1 |
| 2004 | 3 |
| 2006 | 6 |
| 2007 | 5 |
| 2008 | 7 |
| 2009 | 7 |
| 2010 | 8 |
| 2011 | 10 |
| 2012 | 11 |
| 2013 | 9 |
| 2014 | 9 |
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2024 | 1 |
| 2025 | 1 |