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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1852 | 1 |
| 1853 | 2 |
| 1857 | 1 |
| 1858 | 2 |
| 1859 | 2 |
| 1860 | 2 |
| 1868 | 2 |
| 1869 | 4 |
| 1870 | 6 |
| 1871 | 2 |
| 1872 | 1 |
| 1873 | 6 |
| 1874 | 10 |
| 1875 | 4 |
| 1901 | 2 |
| 1907 | 1 |
| 1914 | 2 |
| 1915 | 2 |
| 1921 | 1 |
| 1932 | 1 |
| 1933 | 1 |
| 1936 | 1 |
| 1939 | 2 |
| 1944 | 1 |
| 1946 | 1 |
| 1948 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 2 |
| 1959 | 2 |
| 1960 | 1 |
| 1961 | 1 |
| 1963 | 3 |
| 1964 | 1 |
| 1969 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 2 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1986 | 2 |
| 1987 | 4 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 4 |
| 1992 | 3 |
| 1993 | 3 |
| 1994 | 3 |
| 1995 | 5 |
| 1997 | 2 |
| 1998 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2007 | 1 |
| 2008 | 7 |
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 1 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 6 |
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |