| Value | Category | Cases | |
|---|---|---|---|
| -9 | 6 |
4.8%
|
|
| 0 | 1 |
0.8%
|
|
| 1 | 7 |
5.6%
|
|
| 2 | 8 |
6.4%
|
|
| 3 | 103 |
82.4%
|
|
| Sysmiss | 74 |