| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3909 |
19.5%
|
|
| 1 | 4052 |
20.2%
|
|
| 2 | 4018 |
20%
|
|
| 3 | 4202 |
20.9%
|
|
| 4 | 3912 |
19.5%
|
|
| Sysmiss | 871 |