| Value | Category | Cases | |
|---|---|---|---|
| 1 | 51 |
19.2%
|
|
| 2 | 196 |
74%
|
|
| 3 | 17 |
6.4%
|
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 30 |