| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3927 |
87.5%
|
|
| 1 | 499 |
11.1%
|
|
| 2 | 50 |
1.1%
|
|
| 3 | 13 |
0.3%
|
|
| Sysmiss | 92 |