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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1866 | 1 |
| 1867 | 6 |
| 1868 | 3 |
| 1872 | 1 |
| 1873 | 1 |
| 1894 | 1 |
| 1895 | 1 |
| 1897 | 2 |
| 1898 | 1 |
| 1899 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1913 | 2 |
| 1914 | 2 |
| 1915 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1965 | 1 |
| 1967 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1995 | 1 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |