| Value | Category | Cases | |
|---|---|---|---|
| 0 | 313 |
60.7%
|
|
| 1 | 190 |
36.8%
|
|
| 2 | 11 |
2.1%
|
|
| 3 | 2 |
0.4%
|
|
| Sysmiss | 1682 |