| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2756 |
64.4%
|
|
| 1 | 1062 |
24.8%
|
|
| 2 | 440 |
10.3%
|
|
| 3 | 20 |
0.5%
|
|
| 4 | 2 |
0%
|
|
| Sysmiss | 4952 |