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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1810 | 2 |
| 1814 | 1 |
| 1828 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1851 | 1 |
| 1877 | 1 |
| 1893 | 2 |
| 1897 | 1 |
| 1901 | 1 |
| 1904 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1919 | 1 |
| 1921 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 4 |
| 1963 | 3 |
| 1964 | 5 |
| 1965 | 7 |
| 1966 | 10 |
| 1967 | 9 |
| 1968 | 5 |
| 1969 | 6 |
| 1970 | 3 |
| 1971 | 8 |
| 1972 | 3 |
| 1973 | 6 |
| 1974 | 2 |
| 1975 | 7 |
| 1976 | 1 |
| 1977 | 3 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 1 |
| 2006 | 2 |
| 2007 | 4 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |