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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1869 | 3 |
| 1890 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1948 | 5 |
| 1949 | 1 |
| 1951 | 1 |
| 1956 | 4 |
| 1957 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1968 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 2 |
| 1982 | 1 |
| 1988 | 2 |
| 1991 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2004 | 1 |
| 2006 | 1 |
| 2007 | 1 |
| 2008 | 3 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 3 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |