| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
18.2%
|
|
| 1 | 15 |
27.3%
|
|
| 2 | 21 |
38.2%
|
|
| 3 | 7 |
12.7%
|
|
| 5 | 2 |
3.6%
|
|
| Sysmiss | 506 |