| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 | 60 |
17.5%
|
| 2 | 3-6 hours | 149 |
43.4%
|
| 3 | 6-12 hours | 119 |
34.7%
|
| 4 | 12-24 hours | 15 |
4.4%
|
| 0 | 5523 | ||
| 99999999 | 134 | ||
| Sysmiss | 1 |