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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1870 | 2 |
| 1872 | 2 |
| 1873 | 3 |
| 1874 | 3 |
| 1875 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 3 |
| 1881 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1888 | 1 |
| 1893 | 2 |
| 1894 | 1 |
| 1895 | 2 |
| 1947 | 1 |
| 1983 | 1 |
| 1987 | 1 |
| 1990 | 6 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2023 | 1 |
| 2024 | 2 |