| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.1%
|
|
| 1 | 2 |
4.3%
|
|
| 2 | 15 |
31.9%
|
|
| 3 | 29 |
61.7%
|
|
| Sysmiss | 952 |