| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
4%
|
|
| 1 | 20 |
13.2%
|
|
| 2 | 64 |
42.4%
|
|
| 3 | 31 |
20.5%
|
|
| 4 | 30 |
19.9%
|
|
| Sysmiss | 4029 |