| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1748 |
97.7%
|
| 1 | yes | 35 |
2%
|
| 2 | 5 |
0.3%
|
|
| 3 | 1 |
0.1%
|
|
| Sysmiss | 420 |