| Value | Category | Cases | |
|---|---|---|---|
| 0 | 869 |
18.4%
|
|
| 1 | 1368 |
28.9%
|
|
| 2 | 1768 |
37.4%
|
|
| 3 | 651 |
13.8%
|
|
| 4 | 74 |
1.6%
|
|
| Sysmiss | 99 |