| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
7.8%
|
|
| 1 | 10 |
19.6%
|
|
| 2 | 23 |
45.1%
|
|
| 3 | 13 |
25.5%
|
|
| 4 | 1 |
2%
|
|
| Sysmiss | 63 |