| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
16.7%
|
|
| 1 | 20 |
41.7%
|
|
| 2 | 11 |
22.9%
|
|
| 3 | 3 |
6.3%
|
|
| 4 | 2 |
4.2%
|
|
| 5 | 2 |
4.2%
|
|
| 6 | 2 |
4.2%
|
|
| Sysmiss | 610 |