| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 days | 249 |
22.3%
|
| 2 | 1 or 2 days | 302 |
27.1%
|
| 3 | 3 or 4 days | 151 |
13.5%
|
| 4 | 5 or 6 days | 64 |
5.7%
|
| 5 | All 7 days | 349 |
31.3%
|
| Sysmiss | 3 |