| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
1.7%
|
|
| 1 | 10 |
1.4%
|
|
| 2 | 11 |
1.6%
|
|
| 3 | 214 |
30.7%
|
|
| 4 | 450 |
64.6%
|
|
| Sysmiss | 873 |