| historically | 14 | temporal |
| always | 8 | degree |
| for the economies | 6 | transitive-object |
| migration → be → positive | 20 |
| migration → be → positive force | 3 |
| migration → be → positive phenomenon | 3 |
| negative | neutral | positive |
| 0.054 | 0.306 | 0.640 |
| Raw frequency | 26 |
| Normalized frequency | 0.435 |
| Modifier score | 1.000 |
| Perplexity | 123.013 |