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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 1 |
| 1908 | 3 |
| 1909 | 7 |
| 1910 | 1 |
| 1911 | 4 |
| 1912 | 11 |
| 1913 | 5 |
| 1914 | 4 |
| 1915 | 4 |
| 1916 | 4 |
| 1917 | 7 |
| 1918 | 5 |
| 1919 | 5 |
| 1920 | 8 |
| 1921 | 3 |
| 1923 | 3 |
| 1924 | 1 |
| 1948 | 2 |
| 1956 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 3 |
| 1979 | 1 |
| 1980 | 1 |
| 1987 | 1 |
| 1991 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2006 | 2 |
| 2007 | 4 |
| 2008 | 7 |
| 2009 | 3 |
| 2010 | 3 |
| 2011 | 7 |
| 2012 | 8 |
| 2013 | 12 |
| 2014 | 8 |
| 2015 | 9 |
| 2016 | 16 |
| 2017 | 11 |
| 2018 | 14 |
| 2019 | 20 |
| 2020 | 15 |
| 2021 | 20 |
| 2022 | 13 |
| 2023 | 20 |
| 2024 | 8 |