| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1 |
12.5%
|
| 2 | 1 | 2 |
25%
|
| 3 | 2 | 3 |
37.5%
|
| 4 | 3 or more | 2 |
25%
|
| Sysmiss | 178 |