| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
0.3%
|
|
| 1 | no | 2651 |
92.1%
|
| 2 | yes | 219 |
7.6%
|
| 3 | mor than one | 0 |
0%
|
| Sysmiss | 69 |