| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11952 |
52.4%
|
|
| 1 | 5768 |
25.3%
|
|
| 2 | 3194 |
14%
|
|
| 3 | 1680 |
7.4%
|
|
| 4 | 214 |
0.9%
|
|
| Sysmiss | 932 |