| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
3.2%
|
|
| 2 | 1 |
1.6%
|
|
| 3 | 1 |
1.6%
|
|
| 5 | 1 |
1.6%
|
|
| 7 | 2 |
3.2%
|
|
| 8 | 1 |
1.6%
|
|
| 30 | 55 |
87.3%
|
|
| Sysmiss | 170 |