| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-14 minutes | 1340 |
43.3%
|
| 2 | 15-29 minutes | 1302 |
42%
|
| 3 | 30 or more minutes | 449 |
14.5%
|
| 8 | Don’t know | 6 |
0.2%
|
| Sysmiss | 893 |