| Value | Category | Cases | |
|---|---|---|---|
| 1 | 171 |
11.9%
|
|
| 3 | 1212 |
84.5%
|
|
| 8 | 12 |
0.8%
|
|
| 9 | 40 |
2.8%
|
|
| Sysmiss | 397 |