|
| Frequency | Percent | Cumulative Percent |
| None | 25 | 16.6 | 16.6 |
| Mild | 91 | 60.3 | 76.8 |
| Moderate | 30 | 19.9 | 96.7 |
| Severe | 5 | 3.3 | 100.0 |
| Total | 151 | 100.0 |
|