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Results by year

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

Year Number of Results
1965 3
1967 1
1968 1
1969 3
1970 3
1971 3
1972 4
1973 2
1974 5
1975 8
1976 4
1977 2
1978 8
1979 6
1980 10
1981 4
1982 3
1983 8
1984 7
1985 6
1986 7
1987 9
1988 6
1989 8
1990 10
1991 13
1992 10
1993 7
1994 7
1995 8
1996 6
1997 7
1998 2
1999 5
2000 6
2002 5
2003 4
2004 3
2005 2
2006 1
2007 1
2008 3
2009 3
2022 0
Text availability
Article attribute
Article type
Publication date

Search Results

221 results
Results by year
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221 results