| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-11 months | 1375 |
18.3%
|
| 2 | 12-23 months | 1453 |
19.4%
|
| 3 | 24-35 months | 1393 |
18.6%
|
| 4 | 36-47 months | 1504 |
20.1%
|
| 5 | 48-59 months | 1517 |
20.2%
|
| Sysmiss | 257 |
3.4%
|