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Results by year

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

Year Number of Results
1947 2
1948 3
1949 2
1950 2
1951 1
1952 3
1953 4
1954 4
1955 7
1956 3
1957 6
1958 9
1959 4
1960 3
1961 5
1962 11
1963 12
1964 16
1965 11
1966 12
1967 19
1968 18
1969 9
1970 17
1971 16
1972 19
1973 16
1974 13
1975 30
1976 17
1977 20
1978 25
1979 27
1980 30
1981 18
1982 29
1983 19
1984 24
1985 34
1986 19
1987 22
1988 73
1989 74
1990 80
1991 113
1992 150
1993 63
1994 53
1995 63
1996 74
1997 67
1998 66
1999 101
2000 88
2001 105
2002 107
2003 128
2004 122
2005 153
2006 136
2007 139
2008 157
2009 155
2010 182
2011 208
2012 215
2013 242
2014 258
2015 306
2016 269
2017 313
2018 286
2019 336
2020 66
Text availability
Article attribute
Article type
Publication date

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5,020 results
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