| Value | Category | Cases | |
|---|---|---|---|
| 0 | 302 |
57%
|
|
| 1 | 120 |
22.6%
|
|
| 2 | 84 |
15.8%
|
|
| 3 | 24 |
4.5%
|
|
| Sysmiss | 1420 |