| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. 0-3 months | 4 |
0.4%
|
| 2 | 2. 4-6 months | 2 |
0.2%
|
| 3 | 3. 7-9 months | 3 |
0.3%
|
| 4 | 4. 9-12 months | 3 |
0.3%
|
| 5 | 5. More than 12 months | 1037 |
97.6%
|
| s | 13 |
1.2%
|
|
| Sysmiss | 2162 |