Duration of interruption during relay | Frequency | Percentage |
<5 min | 12 | 27.91% |
[10 - 15 min] | 23 | 53.49% |
[16 - 20 min] | 2 | 4.65% |
[21 - 30 min] | 3 | 6.98% |
>30 min | 3 | 6.98% |
Total | 43 | 100% |