| Value | Category | Cases | |
|---|---|---|---|
| 0 | 137 |
9.5%
|
|
| 1 | 35 |
2.4%
|
|
| 2 | 1243 |
86.6%
|
|
| 3 | 21 |
1.5%
|
|
| Sysmiss | 66 |