| Value | Category | Cases | |
|---|---|---|---|
| 1 | Younger than 50 months | 30 |
20.4%
|
| 2 | 50-59 months | 52 |
35.4%
|
| 3 | 60-69 months | 58 |
39.5%
|
| 4 | 70 Months or older | 7 |
4.8%
|
| Sysmiss | 18950 |