| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1616 |
90.3%
|
| 1 | yes | 28 |
1.6%
|
| 2 | 110 |
6.1%
|
|
| 3 | 35 |
2%
|
|
| Sysmiss | 420 |