| Value | Category | Cases | |
|---|---|---|---|
| 0 | 32 |
19.4%
|
|
| 1 | 33 |
20%
|
|
| 2 | 40 |
24.2%
|
|
| 3 | 22 |
13.3%
|
|
| 4 | 18 |
10.9%
|
|
| 5 | 7 |
4.2%
|
|
| 6 | 13 |
7.9%
|
|
| Sysmiss | 3 |