| in their character | 9 | other |
| in technical | 4 | other |
| in bibliographical | 2 | other |
| subject → be → national | 15 |
| subject → include → national | 3 |
| negative | neutral | positive |
| 0.136 | 0.725 | 0.139 |
| Raw frequency | 18 |
| Normalized frequency | 0.233 |
| Modifier score | 0.500 |
| Perplexity | 271.387 |