| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3730 |
64.3%
|
| 2 | 1 to 2 | 844 |
14.5%
|
| 3 | 3 to 4 | 275 |
4.7%
|
| 4 | 5 to 6 | 196 |
3.4%
|
| 5 | 7 days | 758 |
13.1%
|
| Sysmiss | 70 |