| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
1.5%
|
|
| 1 | 15 |
1.9%
|
|
| 2 | 16 |
2%
|
|
| 3 | 305 |
37.8%
|
|
| 4 | 458 |
56.8%
|
|
| Sysmiss | 889 |