| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 hour | 1187 |
61.2%
|
| 2 | 1-3 hours | 413 |
21.3%
|
| 3 | 4-6 hours | 100 |
5.2%
|
| 4 | 6-24 hours | 96 |
5%
|
| 5 | More than 24 hours | 86 |
4.4%
|
| 9 | Don't know | 57 |
2.9%
|
| Sysmiss | 22781 |