| Value | Category | Cases | |
|---|---|---|---|
| 1 | 30 |
5.5%
|
|
| 2 | 428 |
79%
|
|
| 3 | 80 |
14.8%
|
|
| 4 | 2 |
0.4%
|
|
| 9 | 2 |
0.4%
|
|
| Sysmiss | 66 |