| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0-5 months | 81 |
6%
|
| 2 | 6-11 months | 123 |
9.1%
|
| 3 | 12-23 months | 268 |
19.8%
|
| 4 | 24-35 months | 272 |
20.1%
|
| 5 | 36-47 months | 283 |
20.9%
|
| 6 | 48-59 months | 303 |
22.4%
|
| Sysmiss | 21 |
1.6%
|