| Value | Category | Cases | |
|---|---|---|---|
| 0 | 59 |
19.8%
|
|
| 1 | 213 |
71.5%
|
|
| 2 | 21 |
7%
|
|
| 3 | 5 |
1.7%
|
|
| Sysmiss | 12 |