| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 months | 868 |
21.9%
|
| 2 | 12-23 months | 897 |
22.7%
|
| 3 | 24-35 months | 869 |
22%
|
| 4 | 36-47 months | 703 |
17.8%
|
| 5 | 48-59 months | 619 |
15.6%
|
| Sysmiss | 158 |