| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 | 38 |
42.7%
|
| 2 | 3-6 hours | 42 |
47.2%
|
| 3 | 6-12 hours | 8 |
9%
|
| 4 | 12-24 hours | 1 |
1.1%
|
| 0 | 5776 | ||
| 99999999 | 134 | ||
| Sysmiss | 2 |