| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1261 |
7.6%
|
|
| 3 | 5471 |
32.9%
|
|
| 4 | 9648 |
58%
|
|
| 6 | 267 |
1.6%
|
|
| Sysmiss | 29695 |