| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3699 |
37.2%
|
|
| 1 | 4421 |
44.4%
|
|
| 2 | 1667 |
16.7%
|
|
| 3 | 168 |
1.7%
|
|
| Sysmiss | 20187 |