| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 154 |
9.6%
|
| 2 | no | 1452 |
90.2%
|
| 4 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 2 |
0.1%
|
|
| 9 | na | 0 |
0%
|
| Sysmiss | 1390 |