| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 months | 414 |
5.4%
|
| 2 | 6-11 months | 508 |
6.6%
|
| 3 | 12-23 months | 1552 |
20.2%
|
| 4 | 24-35 months | 1701 |
22.2%
|
| 5 | 36-47 months | 1771 |
23.1%
|
| 6 | 48-59 months | 1704 |
22.2%
|
| Sysmiss | 24 |
0.3%
|