| Value | Category | Cases | |
|---|---|---|---|
| 1 | below 15 minutes | 108 |
39%
|
| 2 | 16-30 minutes | 73 |
26.4%
|
| 3 | 31-45 minutes | 30 |
10.8%
|
| 4 | 46-60 minutes | 32 |
11.6%
|
| 5 | 61-90 minutes | 12 |
4.3%
|
| 6 | 91-120 minutes | 8 |
2.9%
|
| 7 | above 120 minutes | 14 |
5.1%
|
| Sysmiss | 4677 |