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Table 4: Share of neurointerventional research for 20 top-ranking countries between 2003 and 2012^{^a}
Country Department of the First Author
Neurosurgery Radiology Neurology Miscellaneous Total
United States 298 165 120 78 661 (31.1)
Japan 240 24 9 14 287 (13.5)
China^{^b} 121 46 15 2 184 (8.7)
South Korea 90 68 7 5 170 (8.0)
Germany 18 85 24 9 136 (6.4)
France 12 56 10 6 84 (4.0)
Italy 11 28 6 11 56 (2.6)
Canada 12 27 5 8 52 (2.5)
Turkey 8 31 1 7 47 (2.2)
United Kingdom 14 21 4 3 42 (2.0)
Spain 3 18 12 5 38 (1.8)
Taiwan 3 23 6 3 35 (1.6)
The Netherlands 0 30 3 1 34 (1.6)
Switzerland 2 20 10 1 33 (1.6)
India 1 17 2 7 27 (1.3)
Australia 6 10 6 3 25 (1.2)
Brazil 7 12 2 3 24 (1.1)
Poland 7 12 1 4 24 (1.1)
Belgium 5 12 2 2 21 (1.0)
Israel 11 1 4 2 18 (0.8)
↵a Data in parentheses are percentages. Data do not add up to 100% because shares of other countries are not included.
↵b Includes articles originating from Hong Kong.