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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1855 | 1 |
| 1859 | 1 |
| 1860 | 2 |
| 1867 | 1 |
| 1886 | 1 |
| 1909 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1920 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1936 | 1 |
| 1940 | 1 |
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1956 | 1 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 1 |
| 1964 | 1 |
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1984 | 1 |
| 1988 | 1 |
| 1991 | 8 |
| 1992 | 5 |
| 1993 | 6 |
| 1994 | 4 |
| 1995 | 4 |
| 1996 | 6 |
| 1997 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2005 | 4 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 7 |
| 2009 | 3 |
| 2010 | 6 |
| 2011 | 7 |
| 2012 | 2 |
| 2013 | 9 |
| 2014 | 2 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 3 |