Table 5.
Countries With Highest Number of Publications in the Field of DR
| # | Country | Recs | TLCS | TGCS |
| 1 | USA | 837 | 5682 | 29687 |
| 2 | UK | 348 | 1948 | 7952 |
| 3 | Japan | 330 | 1051 | 6373 |
| 4 | Peoples R China | 220 | 386 | 1557 |
| 5 | Australia | 206 | 1210 | 4050 |
| 6 | Germany | 184 | 736 | 4974 |
| 7 | Italy | 123 | 348 | 1629 |
| 8 | India | 115 | 477 | 1319 |
| 9 | Spain | 100 | 219 | 1218 |
| 10 | Denmark | 92 | 515 | 2226 |
| 11 | France | 90 | 298 | 1476 |
| 12 | Singapore | 83 | 551 | 1584 |
| 13 | Brazil | 76 | 204 | 837 |
| 14 | Sweden | 75 | 318 | 1591 |
| 15 | Turkey | 68 | 132 | 634 |
| 16 | Canada | 66 | 221 | 1163 |
| 17 | South Korea | 66 | 118 | 517 |