| Value | Category | Cases | |
|---|---|---|---|
| 0 | 54 |
45.8%
|
|
| 1 | 32 |
27.1%
|
|
| 2 | 21 |
17.8%
|
|
| 3 | 11 |
9.3%
|
|
| Sysmiss | 4 |