| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
4%
|
|
| 1 | 41 |
27.2%
|
|
| 2 | 62 |
41.1%
|
|
| 3 | 14 |
9.3%
|
|
| 4 | 28 |
18.5%
|
|
| Sysmiss | 4029 |