| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
3.8%
|
|
| 2 | 127 |
22.7%
|
|
| 3 | 281 |
50.2%
|
|
| 4 | 131 |
23.4%
|
|
| Sysmiss | 40 |