| Value | Category | Cases | |
|---|---|---|---|
| 0 | 128 |
27.2%
|
|
| 1 | 287 |
60.9%
|
|
| 2 | 30 |
6.4%
|
|
| 3 | 26 |
5.5%
|
|
| Sysmiss | 135 |