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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1847 | 1 |
| 1849 | 1 |
| 1850 | 1 |
| 1851 | 1 |
| 1852 | 1 |
| 1855 | 2 |
| 1856 | 4 |
| 1857 | 1 |
| 1858 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1882 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1887 | 1 |
| 1888 | 1 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 1 |
| 1904 | 2 |
| 1913 | 1 |
| 1981 | 1 |
| 1989 | 1 |
| 1990 | 3 |
| 1992 | 3 |
| 1994 | 3 |
| 1995 | 3 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 1 |
| 2001 | 2 |
| 2002 | 1 |
| 2004 | 2 |
| 2012 | 1 |
| 2014 | 1 |
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 8 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |