| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 718 |
34.6%
|
| 2 | no | 1357 |
65.4%
|
| 3 | 1 |
0%
|
|
| 9 | na | 0 |
0%
|
| Sysmiss | 924 |