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| 8th edition | ||||||||
| 1A (n=148) | 1B (n=107) | 2A (n=75) | 2B (n=287) | 3A (n=391) | 3B (n=64) | 4 (n=5) | ||
| 7thedition | 1A (n=148) | 148† | - | - | - | - | - | - |
| 1B (n=180) | - | 105† | 75* | - | - | - | - | |
| 2A (n=233) | - | - | - | 233* | - | - | - | |
| 2B (n=212) | - | 2‡ | - | 46† | 164* | - | - | |
| 3A (n=294) | - | - | - | 8‡ | 227† | 59* | - | |
| 3B (n=5) | - | - | - | - | - | 5† | - | |
| 4 (n=5) | - | - | - | - | - | - | 5† | |
| * Up-staging; † Same-staging; ‡ Down-staging. | ||||||||
