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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1914 | 2 |
| 1921 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1934 | 2 |
| 1952 | 2 |
| 1953 | 3 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1977 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1990 | 1 |
| 1994 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2004 | 2 |
| 2005 | 3 |
| 2007 | 6 |
| 2008 | 5 |
| 2009 | 6 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 4 |
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 3 |
| 2021 | 13 |
| 2022 | 10 |