| Value | Category | Cases | |
|---|---|---|---|
| -88 | Not applicable | 17 |
8.7%
|
| 1 | 20 years or younger | 61 |
31.1%
|
| 2 | 21-30 years | 64 |
32.7%
|
| 3 | 31-40 years | 40 |
20.4%
|
| 4 | 41-50 years | 9 |
4.6%
|
| 5 | over 50 years | 5 |
2.6%
|
| Sysmiss | 5579 |