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Results by year

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

Year Number of Results
1963 4
1964 7
1965 5
1970 2
1971 5
1972 32
1973 80
1974 75
1975 72
1976 74
1977 67
1978 96
1979 89
1980 111
1981 96
1982 103
1983 83
1984 75
1985 90
1986 50
1987 66
1988 81
1989 57
1990 50
1991 49
1992 49
1993 64
1994 71
1995 59
1996 64
1997 58
1998 57
1999 39
2000 55
2001 44
2002 62
2003 60
2004 48
2005 62
2006 45
2007 52
2008 45
2009 36
2010 56
2011 53
2012 48
2013 40
2014 23
2015 30
2016 26
2017 25
2018 18
2019 24
2020 19
2021 12
2022 13
2023 6
2024 2

Text availability

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Publication date

Search Results

2,817 results

Results by year

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2,817 results