Table 4.
Total citations and average citations in the six countries from 2004 to 2013
| Citations | China | USA | UK | Germany | Japan | South Korea |
|---|---|---|---|---|---|---|
| 6666articles | 93548articles | 19393articles | 23970articles | 13984articles | 3694articles | |
| 2004 | 46 | 3085 | 642 | 772 | 462 | 39 |
| 2005 | 362 | 18571 | 4023 | 4815 | 2570 | 289 |
| 2006 | 900 | 39048 | 8372 | 10611 | 5387 | 767 |
| 2007 | 1601 | 61372 | 13263 | 17048 | 8831 | 1283 |
| 2008 | 2415 | 82679 | 18214 | 23775 | 11687 | 1833 |
| 2009 | 3375 | 103407 | 23123 | 29191 | 13898 | 2534 |
| 2010 | 4665 | 127350 | 22889 | 35968 | 16569 | 3317 |
| 2011 | 6151 | 147856 | 21966 | 41725 | 18895 | 3997 |
| 2012 | 8105 | 163462 | 21297 | 46463 | 20681 | 4767 |
| 2013 | 10092 | 174723 | 24382 | 50202 | 21451 | 5308 |
| Total | 37712 | 921553 | 158171 | 260570 | 120431 | 24134 |
| Average | 5.657 | 9.851 | 8.156 | 10.871 | 8.612 | 6.533 |