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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 1 |
| 1873 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1895 | 2 |
| 1899 | 1 |
| 1900 | 1 |
| 1907 | 1 |
| 1912 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1921 | 1 |
| 1930 | 1 |
| 1947 | 2 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1957 | 1 |
| 1960 | 1 |
| 1967 | 2 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1976 | 1 |
| 1977 | 2 |
| 1979 | 2 |
| 1981 | 3 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 3 |
| 1989 | 1 |
| 1994 | 1 |
| 1997 | 3 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 4 |
| 2008 | 1 |
| 2009 | 5 |
| 2010 | 4 |
| 2011 | 5 |
| 2012 | 6 |
| 2013 | 3 |
| 2014 | 7 |
| 2015 | 6 |
| 2016 | 13 |
| 2017 | 8 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 12 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 18 |
| 2024 | 16 |