| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
6.5%
|
|
| 1 | 20 |
64.5%
|
|
| 2 | 4 |
12.9%
|
|
| 3 | 3 |
9.7%
|
|
| 4 | 2 |
6.5%
|
|
| Sysmiss | 61 |