| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 588 |
42.6%
|
| 2 | 1-3 months | 505 |
36.6%
|
| 3 | 4-6 months | 193 |
14%
|
| 4 | 7-12 months | 50 |
3.6%
|
| 5 | More than 12 months | 44 |
3.2%
|
| Sysmiss | 50371 |