| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 |
14.9%
|
|
| 1 | 148 |
71.2%
|
|
| 2 | 26 |
12.5%
|
|
| 3 | 3 |
1.4%
|
|
| Sysmiss | 1 |