| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
18.8%
|
|
| 1 | 35 |
43.8%
|
|
| 2 | 27 |
33.8%
|
|
| 3 | 3 |
3.8%
|
|
| Sysmiss | 545 |