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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1948 1
1949 1
1950 2
1952 2
1953 1
1956 1
1960 1
1962 1
1963 1
1964 3
1965 1
1971 1
1974 1
1982 1
1985 1
1986 1
1987 2
1988 1
1989 5
1990 2
1991 2
1992 1
1998 1
2000 1
2005 3
2006 2
2007 7
2008 5
2009 5
2010 3
2011 3
2012 3
2013 8
2014 4
2015 7
2016 11
2017 10
2018 14
2019 10
2020 16
2021 5
Text availability
Article attribute
Article type
Publication date

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127 results
Results by year
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127 results
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