| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
82.8%
|
|
| 1 | 9 |
14.1%
|
|
| 2 | 1 |
1.6%
|
|
| 4 | 1 |
1.6%
|
|
| Sysmiss | 934 |