| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than one month | 527 |
7.1%
|
| 2 | 1-3 months | 2456 |
33%
|
| 3 | 4-6 months | 1541 |
20.7%
|
| 4 | 7-12 months | 1020 |
13.7%
|
| 5 | 13-18 months | 338 |
4.5%
|
| 6 | 19-24 months | 269 |
3.6%
|
| 7 | 25-36 months | 338 |
4.5%
|
| 8 | More than 3 years | 960 |
12.9%
|
| Sysmiss | 126255 |