| Value | Category | Cases | |
|---|---|---|---|
| 1 | 231 |
25.1%
|
|
| 3 | 540 |
58.6%
|
|
| 6 | 113 |
12.3%
|
|
| 9 | 37 |
4%
|
|
| Sysmiss | 1 |