| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
2.7%
|
|
| 1 | 344 |
61.3%
|
|
| 2 | 197 |
35.1%
|
|
| 3 | 5 |
0.9%
|
|
| Sysmiss | 3198 |