| Scores | Frequency | Percentage | |
| 2 | 1 | 0.8% | |
| 5 | 6 | 4.7% | |
| 6 | 5 | 3.9% | |
| 7 | 15 | 11.8% | |
| 8 | 31 | 24.4% | |
| 9 | 43 | 33.9% | |
| Superior performance | 26 | 20.5% | |
| N | 127 | 100% | |
| Average | 8.36 | ||
| Std. deviation | 1.42 | ||