| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
25.8%
|
|
| 1 | 47 |
52.8%
|
|
| 2 | 13 |
14.6%
|
|
| 3 | 1 |
1.1%
|
|
| 4 | 2 |
2.2%
|
|
| 5 | 3 |
3.4%
|
|
| Sysmiss | 221 |