| Value | Category | Cases | |
|---|---|---|---|
| 0 | 36 |
87.8%
|
|
| 1 | 4 |
9.8%
|
|
| 2 | 1 |
2.4%
|
|
| 999 | REFUSED | 0 |
0%
|
| Sysmiss | 8989 |