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Results by year

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

Year Number of Results
1948 2
1949 6
1950 4
1951 4
1953 1
1957 3
1958 2
1959 1
1960 1
1961 2
1962 3
1963 8
1964 2
1965 7
1966 6
1967 1
1968 3
1970 4
1971 2
1972 9
1973 9
1974 10
1975 6
1976 5
1977 4
1978 8
1979 11
1980 13
1981 12
1982 8
1983 8
1984 9
1985 19
1986 24
1987 22
1988 23
1989 39
1990 21
1991 33
1992 41
1993 49
1994 55
1995 58
1996 60
1997 56
1998 53
1999 73
2000 70
2001 105
2002 99
2003 91
2004 167
2005 210
2006 233
2007 252
2008 309
2009 306
2010 382
2011 406
2012 442
2013 467
2014 455
2015 521
2016 465
2017 443
2018 471
2019 508
2020 453
Text availability
Article attribute
Article type
Publication date

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