| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-14 minutes | 4630 |
69%
|
| 2 | 15-29 minutes | 1292 |
19.3%
|
| 3 | 30-44 minutes | 470 |
7%
|
| 4 | 45-59 minutes | 157 |
2.3%
|
| 5 | 60-179 minutes | 128 |
1.9%
|
| 6 | Over 180 minutes | 30 |
0.4%
|
| Sysmiss | 56 |