| Typicality: | 0.539 |
| Saliency: | 0.492 |
| over time | 18 | temporal |
| frequently | 10 | temporal |
| increasingly | 6 | degree |
| regulation → become → more stringent | 46 |
| regulation → become → stringent | 9 |
| regulation → change → more stringent | 6 |
| regulation → tended to become → more stringent | 3 |
| negative | neutral | positive |
| 0.399 | 0.505 | 0.096 |
| Raw frequency | 64 |
| Normalized frequency | 0.492 |
| Modifier score | 0.743 |
| Perplexity | 34.521 |