Country | Number of papers | |
Total | % | |
USA | 952 | 31.9 |
UK | 362 | 12.1 |
Canada | 230 | 7.7 |
Australia | 216 | 7.2 |
Netherlands | 166 | 5.6 |
China | 92 | 3.1 |
Germany | 83 | 2.8 |
Turkey | 76 | 2.5 |
Sweden | 67 | 2.2 |
Taiwan | 67 | 2.2 |
Spain | 56 | 1.9 |
Singapore | 51 | 1.7 |
Japan | 47 | 1.6 |
South Africa | 45 | 1.5 |
Brazil | 38 | 1.3 |
Total | 2551 | 100 |