| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 60 |
5.1%
|
| 2 | 1 | 135 |
11.4%
|
| 3 | 2 | 166 |
14%
|
| 4 | 3 or more | 824 |
69.5%
|
| Sysmiss | 20 |