Ranking | Country | No. of documents | % | Average citations per document | h-index | No. of collaborative countries | No. of publications from collaboration |
---|---|---|---|---|---|---|---|
1st | United States | 1550 | 56.10 | 37.86 | 105 | 60 | 258 |
2nd | United Kingdom | 216 | 7.82 | 39.64 | 51 | 35 | 100 |
3rd | Spain | 184 | 6.66 | 22.98 | 35 | 25 | 62 |
4th | Canada | 132 | 4.78 | 27.23 | 31 | 25 | 71 |
5th | Australia | 129 | 4.67 | 25.17 | 32 | 24 | 61 |
6th | France | 81 | 2.93 | 20.47 | 24 | 21 | 32 |
7th | Brazil | 78 | 2.82 | 14.32 | 20 | 10 | 30 |
8th | Germany | 77 | 2.79 | 26.05 | 24 | 21 | 31 |
9 | Italy | 72 | 2.61 | 22.75 | 25 | 18 | 25 |
10th | South Korea | 64 | 2.32 | 22.98 | 18 | 4 | 20 |