| Less than 20 minutes | More than 20 minutes and less than 60 minutes | More than 60 minutes and less than 120 minutes | More than 120 minutes |
SOS (m/sec) | 73 people 1553.0 ± 34.7 | 61 people 1546.4 ± 34.9 | 54 people 1546.9 ± 27.2 | 7 people 1541.0 ± 22.6 |