| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-14 minutes | 2980 |
44.4%
|
| 2 | 15-29 minutes | 1640 |
24.4%
|
| 3 | 30-44 minutes | 1143 |
17%
|
| 4 | 45-59 minutes | 410 |
6.1%
|
| 5 | 60-179 minutes | 367 |
5.5%
|
| 6 | Over 180 minutes | 169 |
2.5%
|
| Sysmiss | 54 |