| Value | Category | Cases | |
|---|---|---|---|
| 0 | 317 |
13.2%
|
|
| 1 | 95 |
4%
|
|
| 2 | 130 |
5.4%
|
|
| 3 | 663 |
27.7%
|
|
| 4 | 1192 |
49.7%
|
|
| Sysmiss | 2432 |