| Value | Category | Cases | |
|---|---|---|---|
| 0 | 129 |
5.8%
|
|
| 1 | 557 |
25.1%
|
|
| 2 | 1058 |
47.6%
|
|
| 3 | 479 |
21.5%
|
|
| Sysmiss | 6 |