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Results by year

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

Year Number of Results
1967 1
1968 1
1969 2
1970 2
1973 1
1975 3
1976 2
1977 2
1979 2
1980 1
1981 2
1982 5
1983 3
1984 15
1985 10
1986 21
1987 9
1988 11
1989 19
1990 12
1991 5
1992 3
1993 1
1996 1
1997 2
1998 1
2001 1
2003 1
2008 1
2009 1
2013 1
2020 0
Text availability
Article attribute
Article type
Publication date

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142 results
Results by year
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