| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.1%
|
|
| 1 | no | 541 |
18.8%
|
| 2 | yes | 2014 |
70%
|
| 3 | mor than one | 321 |
11.1%
|
| Sysmiss | 69 |