| Value | Category | Cases | |
|---|---|---|---|
| 0 | 73 |
15.6%
|
|
| 1 | 394 |
84%
|
|
| 8 | 1 |
0.2%
|
|
| 11 | 1 |
0.2%
|
|
| Sysmiss | 35 |