| System | Conventional | Promoted | |||||
| Case | - | S | M-S | S-M | M | ||
| Chipper size | - | Small | Small | Middle | Small | Middle | Middle |
| Average | 64.2 | 49.8 | 54.2 | 32.3 | 42.8 | 61.3 | 49.8 |
| SD | 33.2 | 16.5 | 11.0 | 13.5 | 14.7 | 6.9 | 16.5 |
| Maximum | 116.8 | 71.8 | 71.8 | 46.2 | 60.9 | 71.8 | 71.8 |
| Minimum | 19.3 | 19.3 | 34.4 | 19.3 | 19.3 | 52.5 | 19.3 |