| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.4%
|
|
| 1 | 1-4 months | 10 |
24.4%
|
| 2 | 5-8 months | 13 |
31.7%
|
| 3 | 9-12 months | 17 |
41.5%
|
| 99 | N/R | 0 |
0%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 1158 |