| Value | Category | Cases | |
|---|---|---|---|
| 0 | 372 |
16.8%
|
|
| 1 | 360 |
16.2%
|
|
| 2 | 823 |
37.1%
|
|
| 3 | 471 |
21.2%
|
|
| 4 | 194 |
8.7%
|
|
| Sysmiss | 9 |