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

Year Number of Results
1946 3
1947 1
1948 5
1949 1
1950 2
1951 4
1952 2
1953 1
1955 2
1958 1
1959 1
1960 1
1964 6
1965 4
1966 2
1967 8
1968 5
1969 5
1970 4
1971 13
1972 12
1973 13
1974 6
1975 13
1976 23
1977 23
1978 17
1979 11
1980 15
1981 17
1982 29
1983 23
1984 47
1985 42
1986 48
1987 34
1988 73
1989 65
1990 52
1991 55
1992 59
1993 49
1994 31
1995 56
1996 49
1997 37
1998 48
1999 48
2000 42
2001 60
2002 66
2003 64
2004 65
2005 54
2006 75
2007 67
2008 79
2009 98
2010 95
2011 90
2012 89
2013 80
2014 75
2015 82
2016 69
2017 60
2018 58
2019 48
2020 11
Text availability
Article attribute
Article type
Publication date

Search Results

2,336 results
Results by year
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