Country | Documents | Citable documents | Citations | Self-Citations | Citations per Document | H index | ||
---|---|---|---|---|---|---|---|---|
1 | United States | 21370 | 20939 | 1641737 | 728462 | 76.82 | 1073 | |
2 | Japan | 5407 | 5370 | 296544 | 56666 | 54.84 | 517 |
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