| Value | Category | Cases | |
|---|---|---|---|
| 0 | 171 |
7.1%
|
|
| 1 | 46 |
1.9%
|
|
| 2 | 30 |
1.3%
|
|
| 3 | 487 |
20.3%
|
|
| 4 | 1663 |
69.4%
|
|
| Sysmiss | 2432 |