| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. 0-3 months | 12 |
0.7%
|
| 2 | 2. 4-6 months | 4 |
0.2%
|
| 3 | 3. 7-9 months | 3 |
0.2%
|
| 4 | 4. 9-12 months | 8 |
0.5%
|
| 5 | 5. More than 12 months | 1633 |
98.4%
|
| Sysmiss | 3295 |