| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5548 |
35.4%
|
|
| 1 | 6802 |
43.4%
|
|
| 2 | 2809 |
17.9%
|
|
| 3 | 527 |
3.4%
|
|
| Sysmiss | 32 |