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

Year Number of Results
1946 3
1947 4
1948 8
1949 2
1951 9
1952 25
1953 33
1954 28
1955 31
1956 31
1957 34
1958 38
1959 34
1960 21
1961 31
1962 14
1963 2
1964 5
1965 14
1966 185
1967 320
1968 394
1969 388
1970 356
1971 388
1972 464
1973 437
1974 490
1975 331
1976 272
1977 252
1978 209
1979 189
1980 196
1981 182
1982 247
1983 200
1984 236
1985 233
1986 197
1987 150
1988 185
1989 192
1990 223
1991 199
1992 188
1993 182
1994 164
1995 186
1996 178
1997 181
1998 165
1999 157
2000 192
2001 333
2002 368
2003 474
2004 510
2005 635
2006 609
2007 608
2008 579
2009 664
2010 604
2011 736
2012 753
2013 781
2014 831
2015 830
2016 830
2017 736
2018 724
2019 623
2020 88
Text availability
Article attribute
Article type
Publication date

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19,882 results
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