| Value | Category | Cases | |
|---|---|---|---|
| 0 | 137 |
9.8%
|
|
| 1 | 119 |
8.5%
|
|
| 2 | 127 |
9.1%
|
|
| 3 | 465 |
33.3%
|
|
| 4 | 548 |
39.3%
|
|
| Sysmiss | 174 |