| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
3.7%
|
|
| 2 | 8 |
29.6%
|
|
| 4 | 1 |
3.7%
|
|
| 6 | 11 |
40.7%
|
|
| 12 | 6 |
22.2%
|
|
| Sysmiss | 470 |