| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 days | 428 |
21.3%
|
| 2 | 1 or 2 days | 536 |
26.6%
|
| 3 | 3 or 4 days | 331 |
16.4%
|
| 4 | 5 or 6 days | 147 |
7.3%
|
| 5 | All 7 days | 571 |
28.4%
|
| Sysmiss | 24 |