| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 |
5.6%
|
|
| 2 | 73 |
34.1%
|
|
| 3 | 70 |
32.7%
|
|
| 4 | 59 |
27.6%
|
|
| Sysmiss | 132 |