| Value | Category | Cases | |
|---|---|---|---|
| 0 | 507 |
30.1%
|
|
| 1 | 1159 |
68.9%
|
|
| 2 | 3 |
0.2%
|
|
| 3 | 14 |
0.8%
|
|
| Sysmiss | 21 |