| Value | Category | Cases | |
|---|---|---|---|
| 1 | < 6 months | 2720 |
10.8%
|
| 2 | 6-11 months | 2586 |
10.3%
|
| 3 | 12-23 months | 4937 |
19.6%
|
| 4 | 24-35 months | 4732 |
18.8%
|
| 5 | 36-47 months | 5236 |
20.8%
|
| 6 | 48-59 months | 4988 |
19.8%
|
| Sysmiss | 818 |