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Results by year

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

Year Number of Results
1960 1
1964 3
1965 2
1966 6
1967 6
1968 4
1969 6
1970 12
1971 14
1972 5
1973 11
1974 8
1975 8
1976 15
1977 12
1978 13
1979 23
1980 22
1981 16
1982 12
1983 20
1984 20
1985 21
1986 19
1987 28
1988 25
1989 18
1990 19
1991 17
1992 14
1993 14
1994 19
1995 16
1996 14
1997 12
1998 12
1999 14
2000 9
2001 9
2002 3
2003 1
2021 0
Text availability
Article attribute
Article type
Publication date

Search Results

523 results
Results by year
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523 results
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