| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3207 |
71.4%
|
|
| 3 | 922 |
20.5%
|
|
| 6 | 317 |
7.1%
|
|
| 9 | 45 |
1%
|
|
| Sysmiss | 1 |