| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 42 |
25.6%
|
| 2 | 1 | 51 |
31.1%
|
| 3 | 2 | 41 |
25%
|
| 4 | 3 or more | 30 |
18.3%
|
| Sysmiss | 22 |