| Value | Category | Cases | |
|---|---|---|---|
| 1 | below 15 minutes | 1241 |
34.2%
|
| 2 | 16-30 minutes | 1348 |
37.2%
|
| 3 | 31-45 minutes | 394 |
10.9%
|
| 4 | 46-60 minutes | 337 |
9.3%
|
| 5 | 61-90 minutes | 134 |
3.7%
|
| 6 | 91-120 minutes | 70 |
1.9%
|
| 7 | above 120 minutes | 100 |
2.8%
|
| Sysmiss | 1330 |