| Value | Category | Cases | |
|---|---|---|---|
| 0 | 352 |
4.8%
|
|
| 1 | 3842 |
52.7%
|
|
| 2 | 2593 |
35.6%
|
|
| 3 | 452 |
6.2%
|
|
| 4 | 45 |
0.6%
|
|
| Sysmiss | 142 |