| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 861 |
47.9%
|
| 2 | 1 week or less | 594 |
33%
|
| 3 | 1 to 2 weeks | 140 |
7.8%
|
| 4 | more than 2 weeks | 203 |
11.3%
|
| Sysmiss | 9930 |