| Score Categories (%) | Frequency | Percentage (%) |
| 0 - 20 | 4 | 0.9 |
| 21 - 40 | 87 | 19.0 |
| 41 - 60 | 252 | 55.0 |
| 61 - 80 | 107 | 23.4 |
| 81 - 100 | 8 | 1.7 |
| Total | 458 | 100 |