| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 70 |
38.5%
|
| 2 | no | 109 |
59.9%
|
| 9 | na | 0 |
0%
|
| 99 | 3 |
1.6%
|
|
| Sysmiss | 2818 |