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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1840 | 1 |
| 1842 | 2 |
| 1843 | 1 |
| 1845 | 1 |
| 1846 | 1 |
| 1847 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1852 | 1 |
| 1855 | 1 |
| 1859 | 1 |
| 1860 | 2 |
| 1863 | 2 |
| 1867 | 1 |
| 1873 | 1 |
| 1876 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1976 | 1 |
| 1978 | 1 |
| 1982 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1991 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 2 |
| 2010 | 6 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 8 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 24 |
| 2023 | 16 |