| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
5.1%
|
|
| 1 | 38 |
64.4%
|
|
| 2 | 12 |
20.3%
|
|
| 3 | 5 |
8.5%
|
|
| 4 | 1 |
1.7%
|
|
| Sysmiss | 126 |