| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-15 min | 1944 |
53.8%
|
| 2 | 15-30 min | 1564 |
43.3%
|
| 3 | 30-60 min | 77 |
2.1%
|
| 4 | 1 hr and more | 27 |
0.7%
|
| Sysmiss | 761 |