| Levels | Frequency | Percentage | Accumulated percentage |
| Very low | 71 | 28.6 | 28.6 |
| Low | 45 | 18.1 | 46.8 |
| Medium | 43 | 17.3 | 64.1 |
| High | 89 | 35.9 | 100.0 |
| Total | 248 | 100.0 |
|