| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 years | 0 |
0%
|
| 2 | 1-5 years | 0 |
0%
|
| 3 | 6-9 years | 0 |
0%
|
| 4 | 10-12 years | 31 |
100%
|
| 5 | 12+ | 0 |
0%
|
| Sysmiss | 400 |