| Value | Category | Cases | |
|---|---|---|---|
| 0 | 84 |
27.5%
|
|
| 1 | 53 |
17.4%
|
|
| 2 | 167 |
54.8%
|
|
| 8 | 1 |
0.3%
|
|
| Sysmiss | 1646 |