| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
9.1%
|
|
| 1 | 6 |
27.3%
|
|
| 2 | 3 |
13.6%
|
|
| 3 | 5 |
22.7%
|
|
| 4 | 3 |
13.6%
|
|
| 5 | 2 |
9.1%
|
|
| 6 | 1 |
4.5%
|
|
| Sysmiss | 173 |