| Value | Category | Cases | |
|---|---|---|---|
| 1 | 156 |
16.9%
|
|
| 3 | 615 |
66.8%
|
|
| 6 | 113 |
12.3%
|
|
| 9 | 37 |
4%
|
|
| Sysmiss | 1 |