| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
3.9%
|
|
| 2 | 8 |
15.7%
|
|
| 3 | 29 |
56.9%
|
|
| 4 | 12 |
23.5%
|
|
| Sysmiss | 63 |