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Results by year

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

Year Number of Results
1958 1
1960 1
1961 3
1962 2
1963 10
1964 6
1965 4
1966 5
1967 10
1968 11
1969 13
1970 10
1971 16
1972 14
1973 12
1974 15
1975 14
1976 13
1977 21
1978 25
1979 20
1980 14
1981 25
1982 34
1983 32
1984 42
1985 39
1986 38
1987 56
1988 57
1989 58
1990 55
1991 54
1992 98
1993 76
1994 85
1995 81
1996 97
1997 123
1998 94
1999 111
2000 120
2001 132
2002 121
2003 103
2004 116
2005 136
2006 130
2007 138
2008 165
2009 172
2010 168
2011 206
2012 241
2013 231
2014 233
2015 194
2016 208
2017 196
2018 216
2019 229
2020 40
Text availability
Article attribute
Article type
Publication date

Search Results

4,611 results
Results by year
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