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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1923 | 1 |
| 1924 | 1 |
| 1927 | 2 |
| 1930 | 2 |
| 1931 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 2 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 1 |
| 1942 | 2 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 1 |
| 1959 | 1 |
| 1963 | 1 |
| 1987 | 1 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 5 |
| 2000 | 6 |
| 2001 | 5 |
| 2002 | 4 |
| 2003 | 5 |
| 2004 | 8 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 7 |
| 2010 | 2 |
| 2011 | 6 |
| 2012 | 7 |
| 2013 | 5 |
| 2014 | 2 |
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 4 |