| Value | Category | Cases | |
|---|---|---|---|
| 0 | 180 |
10.7%
|
|
| 1 | 160 |
9.5%
|
|
| 2 | 502 |
29.9%
|
|
| 3 | 837 |
49.9%
|
|
| Sysmiss | 2746 |