| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 70 |
47%
|
| 3 | 3 | 36 |
24.2%
|
| 4 | 4 | 36 |
24.2%
|
| 99 | Unspecified | 7 |
4.7%
|
| Sysmiss | 13187 |