| Value | Category | Cases | |
|---|---|---|---|
| 0 | 189 |
8.7%
|
|
| 1 | 492 |
22.8%
|
|
| 2 | 836 |
38.7%
|
|
| 3 | 645 |
29.8%
|
|
| Sysmiss | 1 |