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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 1 |
| 1830 | 1 |
| 1838 | 2 |
| 1839 | 1 |
| 1856 | 1 |
| 1875 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 2 |
| 1880 | 2 |
| 1881 | 1 |
| 1883 | 1 |
| 1885 | 1 |
| 1886 | 1 |
| 1889 | 2 |
| 1892 | 2 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1897 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1908 | 2 |
| 1910 | 1 |
| 1912 | 1 |
| 1914 | 2 |
| 1916 | 1 |
| 1921 | 1 |
| 1923 | 2 |
| 1930 | 1 |
| 1968 | 2 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 2 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 1 |
| 1981 | 2 |
| 1982 | 1 |
| 1984 | 2 |
| 1986 | 3 |
| 1987 | 2 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 6 |
| 1994 | 1 |
| 1996 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2009 | 13 |
| 2010 | 2 |
| 2011 | 8 |
| 2012 | 4 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |