Table 1 Top 10 countries ranked by total publications
No. | Country | Year | Centrality | TP (%) |
|---|---|---|---|---|
1 | USA | 2007 | 0.24 | 1170 (37.21%) |
2 | Peoples R China | 2011 | 0.00 | 789 (25.10%) |
3 | Italy | 2013 | 0.03 | 185 (5.89%) |
4 | Germany | 2009 | 0.06 | 179 (5.69%) |
5 | Canada | 2009 | 0.05 | 178 (5.66%) |
6 | France | 2010 | 0.17 | 155 (4.93%) |
7 | England | 2010 | 0.07 | 154 (4.90%) |
8 | Netherlands | 2009 | 0.01 | 133 (4.23%) |
9 | Australia | 2010 | 0.03 | 121 (3.85%) |
10 | Japan | 2012 | 0.01 | 103 (3.28%) |