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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1917 | 1 |
| 1921 | 1 |
| 1922 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1955 | 1 |
| 1957 | 2 |
| 1958 | 1 |
| 1961 | 1 |
| 1963 | 2 |
| 1964 | 3 |
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 1 |
| 1970 | 2 |
| 1972 | 3 |
| 1975 | 2 |
| 1979 | 2 |
| 1980 | 2 |
| 1981 | 1 |
| 1987 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1993 | 2 |
| 1994 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 2002 | 2 |
| 2004 | 1 |
| 2005 | 4 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 4 |
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 0 |