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Results by year

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

Year Number of Results
1968 2
1971 1
1973 3
1974 3
1975 2
1976 2
1977 3
1978 4
1979 1
1980 2
1981 2
1982 3
1983 3
1985 1
1986 3
1987 5
1988 4
1989 3
1990 5
1991 4
1992 2
1993 2
1994 5
1995 2
1996 4
1997 3
1998 5
1999 7
2000 2
2001 5
2002 4
2003 2
2004 4
2005 2
2023 0
Text availability
Article attribute
Article type
Publication date

Search Results

105 results
Results by year
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105 results