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Distribution of overall stage as defined by the 7th and 8th editions
| 8th edition | ||||||
|---|---|---|---|---|---|---|
| I | II | III | IVA | Total | ||
| 7th edition | I | 93 (7.1%) | 2 (0.2%) | 95 (7.3%) | ||
| II | 283 (21.5%) | 9 (0.7%) | 292 (22.2%) | |||
| III | 473 (35.9%) | 17 (1.3%) | 490 (37.2%) | |||
| IVA | 10 (0.8%) | 113 (8.6%) | 259 (19.7%) | 382 (29.0%) | ||
| IVB | 58 (4.4%) | 58 (4.4%) | ||||
| Total | 93 (7.1%) | 295 (22.4%) | 586 (44.5%) | 343 (26.0%) | 1317 | |
