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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1852 | 1 |
| 1853 | 1 |
| 1943 | 1 |
| 1946 | 1 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1954 | 4 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 2 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 2 |
| 1976 | 3 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 4 |
| 2009 | 8 |
| 2010 | 12 |
| 2011 | 11 |
| 2012 | 10 |
| 2013 | 12 |
| 2014 | 13 |
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 8 |