| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
19.5%
|
|
| 1 | 35 |
31%
|
|
| 2 | 33 |
29.2%
|
|
| 3 | 17 |
15%
|
|
| 4 | 2 |
1.8%
|
|
| 5 | 2 |
1.8%
|
|
| 6 | 2 |
1.8%
|
|
| Sysmiss | 18 |