| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
25.5%
|
|
| 1 | 7 |
12.7%
|
|
| 2 | 14 |
25.5%
|
|
| 3 | 6 |
10.9%
|
|
| 4 | 13 |
23.6%
|
|
| 5 | 1 |
1.8%
|
|
| Sysmiss | 173 |