| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
1.4%
|
|
| 1 | 32 |
1.3%
|
|
| 2 | 91 |
3.8%
|
|
| 3 | 497 |
20.7%
|
|
| 4 | 1743 |
72.7%
|
|
| Sysmiss | 2432 |