| Value | Category | Cases | |
|---|---|---|---|
| 1 | The last 3 months | 2055 |
47.1%
|
| 2 | The last 6 months | 972 |
22.3%
|
| 3 | The last 12 months | 1288 |
29.5%
|
| 98 | dk | 45 |
1%
|
| Sysmiss | 15640 |