| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.8%
|
|
| 2 | 20 |
16.5%
|
|
| 3 | 61 |
50.4%
|
|
| 4 | 39 |
32.2%
|
|
| Sysmiss | 4 |