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Results by year

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

Year Number of Results
1957 52
1958 45
1959 54
1960 79
1961 68
1962 67
1963 72
1964 73
1965 81
1966 73
1967 66
1968 73
1969 91
1970 85
1971 86
1972 86
1973 90
1974 91
1975 85
1976 82
1977 83
1978 99
1979 95
1980 98
1981 92
1982 88
1983 94
1984 96
1985 92
1986 91
1987 92
1988 83
1989 89
1990 87
1991 77
1992 68
1993 73
1994 68
1995 63
1996 72
1997 66
1998 70
1999 68
2000 73
2001 86
2002 79
2003 78
2004 78
2005 84
2006 84
2007 84
2008 83
2009 84
2010 84
2011 78
2012 95
2013 92
2014 93
2015 124
2016 120
2017 121
2018 162
2019 159
2020 205
2021 108
Text availability
Article attribute
Article type
Publication date

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5,534 results
Results by year
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