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

Year Number of Results
1948 1
1956 33
1957 43
1958 50
1959 56
1960 50
1961 65
1962 35
1963 1
1964 13
1965 111
1966 236
1967 296
1968 357
1969 408
1970 421
1971 468
1972 556
1973 587
1974 709
1975 733
1976 640
1977 722
1978 671
1979 678
1980 731
1981 730
1982 678
1983 709
1984 733
1985 712
1986 759
1987 745
1988 700
1989 751
1990 727
1991 740
1992 762
1993 799
1994 723
1995 862
1996 855
1997 899
1998 894
1999 994
2000 1067
2001 1164
2002 1198
2003 1172
2004 1108
2005 1198
2006 1196
2007 1171
2008 1226
2009 1142
2010 1064
2011 1086
2012 1019
2013 931
2014 895
2015 820
2016 752
2017 735
2018 703
2019 624
2020 499
2021 168
Text availability
Article attribute
Article type
Publication date

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41,899 results
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