| Value | Category | Cases | |
|---|---|---|---|
| 1 | first | 453 |
92.6%
|
| 2 | second | 20 |
4.1%
|
| 7 | 3 |
0.6%
|
|
| 8 | 10 |
2%
|
|
| 9 | not applicable | 0 |
0%
|
| 11 | 3 |
0.6%
|
|
| Sysmiss | 2511 |