| Value | Category | Cases | |
|---|---|---|---|
| 1 | 13 |
3.6%
|
|
| 2 | 245 |
68.1%
|
|
| 4 | 78 |
21.7%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 20 |
5.6%
|
|
| 8 | 3 |
0.8%
|
|
| Sysmiss | 16 |