| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
0.4%
|
|
| 1 | no | 2235 |
77.6%
|
| 2 | yes | 625 |
21.7%
|
| 3 | mor than one | 8 |
0.3%
|
| Sysmiss | 69 |