| Hours | Frequency | Percent |
| 2.00 | 1 | 10.0 |
| 3.00 | 1 | 10.0 |
| 4.00 | 3 | 30.0 |
| 4.50 | 2 | 20.0 |
| 5.00 | 1 | 10.0 |
| 6.00 | 1 | 10.0 |
| 7.00 | 1 | 10.0 |
| Total | 10 | 100.0 |