| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
0.4%
|
|
| 1 | 724 |
14.5%
|
|
| 2 | 4237 |
85.1%
|
|
| 4 | 2 |
0%
|
|
| Sysmiss | 3594 |