| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 | 974 |
27.1%
|
| 2 | 3-6 hours | 1901 |
53%
|
| 3 | 6-12 hours | 701 |
19.5%
|
| 4 | 12-24 hours | 12 |
0.3%
|
| 0 | 2282 | ||
| 99999999 | 127 | ||
| Sysmiss | 4 |