| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 | 537 |
93.7%
|
| 2 | 3-6 hours | 30 |
5.2%
|
| 3 | 6-12 hours | 5 |
0.9%
|
| 4 | 12-24 hours | 1 |
0.2%
|
| 0 | 5292 | ||
| 99999999 | 134 | ||
| Sysmiss | 2 |