| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 15mn | 92 |
22%
|
| 2 | 15mn-30mn | 126 |
30.1%
|
| 3 | 30mn-60mn | 113 |
27%
|
| 4 | 1hour-2hours | 55 |
13.2%
|
| 6 | Over 2 hours | 32 |
7.7%
|
| Sysmiss | 1025 |