| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0%
|
|
| 1 | below 15 minutes | 3252 |
61.9%
|
| 2 | 16-30 minutes | 1273 |
24.2%
|
| 3 | 31-45 minutes | 317 |
6%
|
| 4 | 46-60 minutes | 225 |
4.3%
|
| 5 | 61-90 minutes | 77 |
1.5%
|
| 6 | 91-120 minutes | 51 |
1%
|
| 7 | above 120 minutes | 60 |
1.1%
|
| Sysmiss | 5 |