| Value | Category | Cases | |
|---|---|---|---|
| 0 | 236 |
16.9%
|
|
| 1 | 150 |
10.7%
|
|
| 2 | 36 |
2.6%
|
|
| 3 | 422 |
30.2%
|
|
| 4 | 552 |
39.5%
|
|
| Sysmiss | 174 |