| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
3.6%
|
|
| 1 | 332 |
51.9%
|
|
| 2 | 268 |
41.9%
|
|
| 3 | 17 |
2.7%
|
|
| Sysmiss | 2234 |