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Top ten countries regarding the contribution in the scientific production in the field of bioenergy.
| Ranking | Country | Number of documents | Share (%) |
|---|---|---|---|
| 1 | China | 9026 | 17.39 |
| 2 | United States | 8108 | 15.62 |
| 3 | India | 6306 | 12.15 |
| 4 | Brazil | 3394 | 6.54 |
| 5 | United Kingdom | 2531 | 4.88 |
| 6 | Spain | 2294 | 4.42 |
| 7 | Malaysia | 2277 | 4.39 |
| 8 | Germany | 2192 | 4.22 |
| 9 | South Korea | 1973 | 3.80 |
| 10 | Italy | 1880 | 3.62 |
