| Value | Category | Cases | |
|---|---|---|---|
| 0 | 857 |
91%
|
|
| 1 | 15 |
1.6%
|
|
| 2 | 36 |
3.8%
|
|
| 3 | 34 |
3.6%
|
|
| Sysmiss | 3 |