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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 1 |
| 1860 | 3 |
| 1884 | 1 |
| 1949 | 1 |
| 1952 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1963 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 1 |
| 1977 | 1 |
| 1978 | 3 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 2 |
| 1983 | 5 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 4 |
| 1989 | 1 |
| 1990 | 1 |
| 1995 | 1 |
| 1999 | 4 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 4 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 3 |
| 2009 | 2 |
| 2012 | 1 |
| 2013 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 0 |