| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
2.9%
|
|
| 2 | 1 |
2.9%
|
|
| 4 | 3 |
8.8%
|
|
| 6 | 29 |
85.3%
|
|
| Sysmiss | 303 |