| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 |
34.5%
|
|
| 1 | 39 |
44.8%
|
|
| 2 | 15 |
17.2%
|
|
| 3 | 3 |
3.4%
|
|
| Sysmiss | 2645 |