| Time (minutes) | Frequency | Percentage (%) | Cumulative Percentage (%) |
| 0.5 | 3 | 2.5 | 2.5 |
| 1.0 | 28 | 23.3 | 25.8 |
| 1.5 | 35 | 29.2 | 55.0 |
| 2.0 | 28 | 23.3 | 78.3 |
| 2.5 | 10 | 8.3 | 86.7 |
| 3.0 | 10 | 8.3 | 95.0 |
| 3.5 | 3 | 2.5 | 97.5 |
| 4.0 | 1 | 0.8 | 98.3 |
| 5.0 | 2 | 1.7 | 100.0 |
| Total | 120 | 100.0 |
|